A017431 a(n) = (11*n + 3)^7.

2187, 105413504, 6103515625, 78364164096, 506623120463, 2207984167552, 7446353252589, 20971520000000, 51676101935731, 114868566764928, 235260548044817, 450766669594624, 817215093984375, 1414067010444416, 2351243277537493, 3777156435935232, 5888046306640859, 8938717390000000

Offset

0,1

Links

Paolo Xausa, Table of n, a(n) for n = 0..10000

Index entries for linear recurrences with constant coefficients, signature (8,-28,56,-70,56,-28,8,-1).

Mathematica

(11*Range[0, 20] + 3)^7 (* Paolo Xausa, Dec 16 2025 *)

Crossrefs

Sequence in context: A018875 A017203 A017311 * A079231 A017563 A357674

Adjacent sequences: A017428 A017429 A017430 * A017432 A017433 A017434

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved