A017311 a(n) = (10*n + 3)^7.
2187, 62748517, 3404825447, 42618442977, 271818611107, 1174711139837, 3938980639167, 11047398519097, 27136050989627, 60170087060757, 122987386542487, 235260548044817, 425927596977747, 736141813551277
Offset: 0
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).
Crossrefs
Cf. A272914, first comment. - Bruno Berselli, May 26 2016
Programs
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Magma
[(10*n+3)^7: n in [0..20]]; // Vincenzo Librandi, Jul 31 2011
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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 *)