A017124 a(n) = (8*n + 4)^12.
16777216, 8916100448256, 4096000000000000, 232218265089212416, 4738381338321616896, 52654090776777588736, 390877006486250192896, 2176782336000000000000, 9774779120406941925376, 37133262473195501387776, 123410307017276135571456, 367666387654882241806336
Offset: 0
Links
- Vincenzo Librandi, Table of n, a(n) for n = 0..10000
- Index entries for linear recurrences with constant coefficients, signature (13,-78,286,-715,1287,-1716,1716,-1287,715,-286,78,-13,1).
Programs
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Magma
[(8*n+4)^12: n in [0..15] ]; // Vincenzo Librandi, Jul 21 2011
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Mathematica
(8*Range[0,10]+4)^12 (* Harvey P. Dale, Aug 08 2011 *)
Formula
From Amiram Eldar, Apr 25 2023: (Start)
a(n) = A017113(n)^12.
Sum_{n>=0} 1/a(n) = 691*Pi^12/10715084410060800. (End)