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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 Vincenzo Librandi, Table of n, a(n) for n = 0..2000 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 Cf. A016760, A016945, A016946, A016947, A016948, A016949, A016950, A016951. Subsequence of A001016. Sequence in context: A038684 A016844 A016892 * A272067 A017024 A017108 Adjacent sequences: A016949 A016950 A016951 * A016953 A016954 A016955 KEYWORD nonn,easy AUTHOR N. J. A. Sloane STATUS approved

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