A137529 a(n)=8a(n-4).

1, 3, 4, 4, 8, 24, 32, 32, 64, 192, 256, 256, 512, 1536, 2048, 2048, 4096, 12288, 16384, 16384, 32768

Offset

0,2

Links

Harvey P. Dale, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (0,0,0,8).

Mathematica

LinearRecurrence[{0, 0, 0, 8}, {1, 3, 4, 4}, 30] (* Harvey P. Dale, Apr 13 2025 *)

Prog

(PARI) a(n)=([0, 1, 0, 0; 0, 0, 1, 0; 0, 0, 0, 1; 8, 0, 0, 0]^n*[1; 3; 4; 4])[1, 1] \\ Charles R Greathouse IV, Jun 03 2026

Crossrefs

Sequence in context: A328989 A339190 A392422 * A245258 A086180 A016608

Adjacent sequences: A137526 A137527 A137528 * A137530 A137531 A137532

Keyword

nonn,easy

Author

Paul Curtz, Apr 25 2008

Status

approved