A278353 Numbers n such that A003146(n) = floor(alpha^3*n)+1, where alpha = 1.839... is the positive real zero of x^3-x^2-x-1.

2047, 2128, 2551, 2632, 5183, 5264, 7815, 7896, 10951, 12656, 12737, 13160, 13241, 13583, 13664, 15792, 15873, 16296, 16377, 18424, 18505, 18928, 19009, 21560, 21641, 24696, 24777, 27328, 27409, 32169, 32250, 32673, 32754, 35305, 35386, 35809, 37937, 38018, 38441, 38522, 41073, 41154, 43705, 43786

Offset

1,1

Links

Table of n, a(n) for n=1..44.

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. A003146, A058265, A275158, A278352.

Sequence in context: A298756 A145590 A241039 * A038462 A001262 A141232

Adjacent sequences: A278350 A278351 A278352 * A278354 A278355 A278356

Keyword

nonn

Author

Jeffrey Shallit, Nov 19 2016

Status

approved