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A016928 a(n) = (6*n + 1)^8. 5
1, 5764801, 815730721, 16983563041, 152587890625, 852891037441, 3512479453921, 11688200277601, 33232930569601, 83733937890625, 191707312997281, 406067677556641, 806460091894081, 1517108809906561, 2724905250390625, 4702525276151521, 7837433594376961 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (9,-36,84,-126,126,-84,36,-9,1).
FORMULA
From Amiram Eldar, Mar 28 2022: (Start)
a(n) = A016921(n)^8 = A016922(n)^4 = A016924(n)^2.
Sum_{n>=0} 1/a(n) = PolyGamma(7, 1/6)/8465264640. (End)
MATHEMATICA
Table[(6*n + 1)^8, {n, 0, 20}] (* Amiram Eldar, Mar 28 2022 *)
PROG
(Magma) [(6*n+1)^8: n in [0..30]]; // Vincenzo Librandi, May 04 2011
CROSSREFS
Sequence in context: A151699 A038828 A038817 * A016988 A017156 A017252
KEYWORD
nonn,easy
AUTHOR
STATUS
approved

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Last modified April 20 17:12 EDT 2024. Contains 371845 sequences. (Running on oeis4.)