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A366489
a(n) = (n^13 - n)/13.
4
0, 0, 630, 122640, 5162220, 93900240, 1004668770, 7453000800, 42288908760, 195528140640, 769230769230, 2655593241840, 8230246567620, 23298085122480, 61054982558010, 149707312950720, 346430740566960, 761890617915840, 1601766528128550, 3234844881712080
OFFSET
0,3
COMMENTS
See A366488 for further information.
LINKS
Jack Jeffries, Differentiating by prime numbers, Notices Amer. Math. Soc., 70:11 (2023), 1772-1779.
Index entries for linear recurrences with constant coefficients, signature (14,-91,364,-1001,2002,-3003,3432,-3003,2002,-1001,364,-91,14,-1).
FORMULA
a(n) == 0 (mod 210). - Hugo Pfoertner, Nov 14 2023
MATHEMATICA
A366489[n_]:=(n^13-n)/13; Array[A366489, 30, 0] (* Paolo Xausa, Nov 14 2023 *)
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Nov 13 2023
STATUS
approved