A017311 a(n) = (10*n + 3)^7.

2187, 62748517, 3404825447, 42618442977, 271818611107, 1174711139837, 3938980639167, 11047398519097, 27136050989627, 60170087060757, 122987386542487, 235260548044817, 425927596977747, 736141813551277

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

(10Range[0, 20]+3)^7 (* or *) LinearRecurrence[{8, -28, 56, -70, 56, -28, 8, -1}, {2187, 62748517, 3404825447, 42618442977, 271818611107, 1174711139837, 3938980639167, 11047398519097}, 20] (* Harvey P. Dale, Oct 02 2017 *)

Prog

(Magma) [(10*n+3)^7: n in [0..20]]; // Vincenzo Librandi, Jul 31 2011

Crossrefs

Cf. A272914, first comment. - Bruno Berselli, May 26 2016

Sequence in context: A017107 A018875 A017203 * A017431 A079231 A017563

Adjacent sequences: A017308 A017309 A017310 * A017312 A017313 A017314

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved