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A016952 a(n) = (6*n + 3)^8. 5
6561, 43046721, 2562890625, 37822859361, 282429536481, 1406408618241, 5352009260481, 16815125390625, 45767944570401, 111429157112001, 248155780267521, 513798374428641, 1001129150390625, 1853020188851841, 3282116715437121, 5595818096650401, 9227446944279201 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (9,-36,84,-126,126,-84,36,-9,1).
FORMULA
From Amiram Eldar, Mar 30 2022: (Start)
a(n) = A016945(n)^8 = A016946(n)^4 = A016948(n)^2.
a(n) = 3^8*A016760(n).
Sum_{n>=0} 1/a(n) = 17*Pi^8/1058158080. (End)
MATHEMATICA
a[n_] := (6*n + 3)^8; Array[a, 50, 0] (* Amiram Eldar, Mar 30 2022 *)
PROG
(Magma) [(6*n+3)^8: n in [0..40]]; // Vincenzo Librandi, May 05 2011
CROSSREFS
Subsequence of A001016.
Sequence in context: A038684 A016844 A016892 * A272067 A017024 A017108
KEYWORD
nonn,easy
AUTHOR
STATUS
approved

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Last modified May 30 06:43 EDT 2024. Contains 372958 sequences. (Running on oeis4.)