A016996 a(n) = (7*n + 1)^4.

1, 4096, 50625, 234256, 707281, 1679616, 3418801, 6250000, 10556001, 16777216, 25411681, 37015056, 52200625, 71639296, 96059601, 126247696, 163047361, 207360000, 260144641, 322417936, 395254161

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..10000

Index entries for linear recurrences with constant coefficients, signature (5, -10, 10, -5, 1).

Mathematica

(7Range[0, 20]+1)^4 (* or *) LinearRecurrence[{5, -10, 10, -5, 1}, {1, 4096, 50625, 234256, 707281}, 30] (* Harvey P. Dale, Jan 30 2022 *)

Prog

(Magma) [(7*n+1)^4: n in [0..40]]; // Vincenzo Librandi, Jul 13 2011

Crossrefs

Sequence in context: A231945 A220766 A272914 * A218527 A017068 A221489

Adjacent sequences: A016993 A016994 A016995 * A016997 A016998 A016999

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved