A017191 a(n) = (9*n + 2)^7.

128, 19487171, 1280000000, 17249876309, 114415582592, 506623120463, 1727094849536, 4902227890625, 12151280273024, 27136050989627, 55784660123648, 107213535210701, 194871710000000, 337931541778439, 562949953421312, 905824306333433, 1414067010444416, 2149422977421875, 3190854023266304

Offset

0,1

Links

Vincenzo Librandi, 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

(9*Range[0, 20] + 2)^7 (* Paolo Xausa, Dec 01 2025 *)

Prog

(Magma) [(9*n+2)^7: n in [0..20]]; // Vincenzo Librandi, Jul 23 2011

Crossrefs

Sequence in context: A196995 A214389 A017095 * A017299 A160865 A017419

Adjacent sequences: A017188 A017189 A017190 * A017192 A017193 A017194

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved