A331294 Positions of records in A331293.

1, 8, 16, 25, 27, 49, 75, 81, 121, 169, 289, 361, 529, 841, 961, 1369, 1681, 1849, 2209, 2809, 3481, 3721, 4489, 5041, 5329, 6241, 6889, 7921, 9409, 10201, 10609, 11449, 11881, 12769, 16129, 17161, 18769, 19321, 22201, 22801, 24649, 26569, 27889, 29929, 32041, 32761, 36481, 37249, 38809, 39601, 44521, 49729, 51529, 52441, 54289

Offset

1,2

Links

Antti Karttunen, Table of n, a(n) for n = 1..76

Formula

Conjectured: for n >= 9, a(n) = A000040(n-4)^2 = A001248(n-4).

Prog

(PARI) m=-1; k=0; for(n=1, 2^17, t=A331293(n); if(t > m, m=t; k++; print1(n, ", "); write("b331294.txt", k, " ", n)));

Crossrefs

Cf. A001248, A331293.

Sequence in context: A125991 A028589 A292491 * A182767 A302537 A074750

Adjacent sequences: A331291 A331292 A331293 * A331295 A331296 A331297

Keyword

nonn

Author

Antti Karttunen, Jan 17 2020

Status

approved