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A016962
a(n) = (6*n + 4)^6.
7
4096, 1000000, 16777216, 113379904, 481890304, 1544804416, 4096000000, 9474296896, 19770609664, 38068692544, 68719476736, 117649000000, 192699928576, 304006671424, 464404086784, 689869781056, 1000000000000, 1418519112256, 1973822685184, 2699554153024, 3635215077376
OFFSET
0,1
FORMULA
From Amiram Eldar, Mar 31 2022: (Start)
a(n) = A016957(n)^6 = A016958(n)^3 = A016959(n)^2.
a(n) = 64*A016794(n).
Sum_{n>=0} 1/a(n) = PolyGamma(5, 2/3)/5598720. (End)
MATHEMATICA
(6Range[0, 20]+4)^6 (* or *) LinearRecurrence[{7, -21, 35, -35, 21, -7, 1}, {4096, 1000000, 16777216, 113379904, 481890304, 1544804416, 4096000000}, 20] (* Harvey P. Dale, Aug 08 2019 *)
PROG
(Magma) [(6*n+4)^6: n in [0..25]]: // Vincenzo Librandi, May 06 2011
CROSSREFS
Subsequence of A001014.
Sequence in context: A030631 A321820 A236218 * A224395 A224028 A269206
KEYWORD
nonn,easy
STATUS
approved