A278352 Numbers n such that A003145(n) = floor(alpha^2*n)+1, where alpha = 1.839... is the positive real zero of x^3-x^2-x-1.

329, 342, 423, 846, 1269, 2034, 2047, 2115, 2128, 2538, 2551, 2632, 2961, 2974, 3055, 3478, 5170, 5183, 5264, 5687, 6110, 7802, 7815, 7883, 7896, 8306, 8319, 8400, 8729, 8742, 8823, 9246, 10938, 10951, 11032, 11455, 11878, 12643, 12656, 12724, 12737, 13147, 13160, 13241, 13570, 13583, 13664, 14087, 14591

Offset

1,1

Links

Table of n, a(n) for n=1..49.

F. Michel Dekking, Jeffrey Shallit, and N. J. A. Sloane, Queens in exile: non-attacking queens on infinite chess boards, Electronic J. Combin., 27:1 (2020), #P1.52.

Jeffrey Shallit, Tribonacci Facts, Nov 03 2017

Crossrefs

Cf. A003145, A058265 (decimal expansion of alpha), A275158, A278353.

Sequence in context: A231130 A289340 A252004 * A246858 A253054 A273615

Adjacent sequences: A278349 A278350 A278351 * A278353 A278354 A278355

Keyword

nonn

Author

Jeffrey Shallit, Nov 19 2016

Status

approved