A189123 Positive integers n such that A005245(n-i) + A005245(i) < A005245(n-1) + 1 for some i, 1 < i < n.

21080618, 63241604, 67139098, 116385658, 117448688, 126483083, 152523860, 189724562, 212400458, 229762259, 318689258, 348330652, 353942783, 366873514, 373603732, 379448999, 385159320, 404764540, 409108300, 460759642, 465722100, 477258719, 498197068, 511069678, 516743639, 519835084, 538858312, 545438698, 545790940, 546853138, 574842670, 575550972, 581106238, 590785918

Offset: 1

Author

Max Alekseyev, Apr 17 2011

Keywords

• nonn

Comments

Counterexamples to the first conjecture of David Wilson on A005245.

a(1) was found by Igor aka CD_Eater from Moscow in January, 2008

Prime terms are listed in A189125.

Links

• Discussion at dxdy.ru (in Russian)
• Janis Iraids, Values of a(n) below 1.5*10^9
• Martin N. Fuller, C program for A005245

Crossrefs

Cf. A005245, A189124, A189125