A070585 a(n) = n^4 mod 42.

0, 1, 16, 39, 4, 37, 36, 7, 22, 9, 4, 25, 30, 1, 28, 15, 16, 25, 18, 37, 22, 21, 22, 37, 18, 25, 16, 15, 28, 1, 30, 25, 4, 9, 22, 7, 36, 37, 4, 39, 16, 1, 0, 1, 16, 39, 4, 37, 36, 7, 22, 9, 4, 25, 30, 1, 28, 15, 16, 25, 18, 37, 22, 21, 22, 37, 18, 25, 16, 15, 28, 1, 30, 25, 4, 9, 22

Offset

0,3

Links

Table of n, a(n) for n=0..76.

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

Prog

(PARI) a(n)=n^4%42 \\ Charles R Greathouse IV, Apr 06 2016

Crossrefs

Sequence in context: A122030 A122029 A218900 * A253435 A253159 A308311

Adjacent sequences: A070582 A070583 A070584 * A070586 A070587 A070588

Keyword

nonn,easy

Author

N. J. A. Sloane, May 13 2002

Status

approved