A017647 a(n) = (12*n+10)^7.

10000000, 2494357888, 52523350144, 435817657216, 2207984167552, 8235430000000, 24928547056768, 64847759419264, 150363025899136, 318547390056832, 627485170000000, 1164175380274048, 2054210978157184, 3473414526672256, 5661610866627712, 8938717390000000

Offset

0,1

Links

Edward Jiang, Table of n, a(n) for n = 0..10000

Index entries for linear recurrences with constant coefficients, signature (8,-28,56,-70,56,-28,8,-1).

Mathematica

(12 Range[0, 20]+10)^7 (* Harvey P. Dale, Nov 29 2022 *)
(* Alternative: *)
LinearRecurrence[{8, -28, 56, -70, 56, -28, 8, -1}, {10000000, 2494357888, 52523350144, 435817657216, 2207984167552, 8235430000000, 24928547056768, 64847759419264}, 20] (* Harvey P. Dale, Nov 29 2022 *)

Prog

(PARI) a(n)=(12*n+10)^7 \\ Edward Jiang, Aug 20 2014
(Python)
def a017647(n):
    return (12*n+10)**7
# Edward Jiang, Aug 20 2014

Crossrefs

Sequence in context: A017179 A017275 A017515 * A182749 A260915 A072144

Adjacent sequences: A017644 A017645 A017646 * A017648 A017649 A017650

Keyword

nonn,easy,changed

Author

N. J. A. Sloane

Status

approved