A016836 a(n) = (4n+2)^12.

4096, 2176782336, 1000000000000, 56693912375296, 1156831381426176, 12855002631049216, 95428956661682176, 531441000000000000, 2386420683693101056, 9065737908494995456, 30129469486639681536, 89762301673555234816, 244140625000000000000, 614787626176508399616

Offset

0,1

Links

Table of n, a(n) for n=0..13.

Index entries for linear recurrences with constant coefficients, signature (13,-78,286,-715,1287,-1716,1716,-1287,715,-286,78,-13,1).

Formula

From Amiram Eldar, Apr 21 2023: (Start)

a(n) = A016825(n)^12.

a(n) = 2^12*A016764(n).

Sum_{n>=0} 1/a(n) = 691*Pi^12/2615987404800. (End)

Mathematica

Table[(4*n+2)^12, {n, 0, 20}] (* Amiram Eldar, Apr 21 2023 *)

Crossrefs

Cf. A016764, A016825.

Sequence in context: A013849 A016800 A013805 * A013880 A016884 A016944

Adjacent sequences: A016833 A016834 A016835 * A016837 A016838 A016839

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved