OFFSET
0,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (10,-45,120,-210,252,-210,120,-45,10,-1).
FORMULA
From Amiram Eldar, Jul 14 2024: (Start)
a(n) = 262144 * A016785(n).
Sum_{n>=0} 1/a(n) = 809*Pi^9/(7313988648960*sqrt(3)) + 9841*zeta(9))/5159780352. (End)
MATHEMATICA
(12*Range[0, 30]+4)^9 (* or *) LinearRecurrence[{10, -45, 120, -210, 252, -210, 120, -45, 10, -1}, {262144, 68719476736, 10578455953408, 262144000000000, 2779905883635712, 18014398509481984, 84590643846578176, 316478381828866048, 1000000000000000000, 2773078757450186752}, 40] (* Harvey P. Dale, Sep 07 2018 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
EXTENSIONS
More terms from Amiram Eldar, Jul 14 2024
STATUS
approved