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Dedekind-M8-51-minutes.

The 8 Dedekind N. on 51 minutes.


Sequence OEIS A132581.

"New values and cool relationship."

(C) Author. JM M.A. Spain-UE. 2020.

New:*

n F(n) A blast.


128 0002.4146.8204.0998; M7 aka F(128).

160 0001.0915.5249.3226.6679; Last known.

164* 0005.8783.4149.5816.1884;

168* 0014.1975.3406.9172.3630;

172* 0039.3953.4418.5632.4853;

176* 0051.2617.1120.4101.3308;

180* 0161.5425.7144.5831.0110;

184* 0225.4830.5719.5672.0898;

188* 0332.3658.7553.6968.2762;

192* 0337.9107.8507.6574.6508; F192+F252=F256.

196* 1925.8137.5568.0675.8426;

200* 5238.7009.8371.8298.2255;

204* 0001.6780.3451.1261.6143.1395;

208* 0002.3953.6031.7266.5685.8796;

224* 0022.8147.0929.0804.6885.3455; F224+F248=F256.

240* 0280.6521.8614.3437.7895.3894; 2*F240=F256.

248* 0538.4896.6299.6070.8905.4333; See 224.

252* 0561.2705.8120.8367.9216.1280; See 192.

253* 0561.3043.7223.8582.0165.4146;

254* 0561.3043.7226.2728.7586.6790; F256=F254+F128.

255* 0561.3043.7228.6875.5790.7787; F255+1=F256.


256 0561.3043.7228.6875.5790.7788; M8.


What's up.

For the still unknown numbers:

M9 = F(512) = F(496)+F(480).

M10 =F(1024) = 2*F(992).

All Mn values, n even, are even.

All calculated with the x64-86 OpenMP Windows10 EXE.

Released freebie on: https://github.com/JOSMAN-UE

The program can calculate each F(n), with n multiple of 4 between 8 and 256.

Time spent is not O(n). Some numbers require computer power. You guys for real: A whiz. SaysME your score.

Pending: 212,216; 220,228; 232,236,244.

(C) Author: JM Montolio A. Spain-UE. 2020.

m8

Dedekind Numbers. Author (C) JM Montolio A. Spain. Ag-2020.

===========================

PGCQFL -- n 64 -------

Fri Aug 07 14:54:00 2020

NodeCores: 4

RDO -- n 64 wC 64 iC 7828354

Fri Aug 07 14:54:04 2020

DBG: npermut 720

Q -- n 64 wC 64 iC 7828354 RVAL 16353 DUAL 1:8071

Fri Aug 07 14:54:17 2020

x4 -- n 64 wC 64 iC 7828354 RVAL 16353 QDUA 8071 n4 256

Fri Aug 07 14:55:55 2020

DBG: x4 ESPOT:1 CRUM= 8282

Fri Aug 07 15:45:38 2020

ESPOT 1 iC 7828354 RVAL 16353 QDUA 8071 CRUM 8282

F(256)= 0561.3043.7228.6875.5790.7788

//////////////////////////////////////// M8. Spent time: 51 minutes. ////////////////////////////////////////