A070551 - OEIS

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A070551

a(n) = n^4 mod 23.

0, 1, 16, 12, 3, 4, 8, 9, 2, 6, 18, 13, 13, 18, 6, 2, 9, 8, 4, 3, 12, 16, 1, 0, 1, 16, 12, 3, 4, 8, 9, 2, 6, 18, 13, 13, 18, 6, 2, 9, 8, 4, 3, 12, 16, 1, 0, 1, 16, 12, 3, 4, 8, 9, 2, 6, 18, 13, 13, 18, 6, 2, 9, 8, 4, 3, 12, 16, 1, 0, 1, 16, 12, 3, 4, 8, 9, 2, 6, 18, 13, 13, 18, 6, 2, 9, 8, 4, 3

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OFFSET

0,3

COMMENTS

Equivalently: n^(22*m + 4) mod 23. - G. C. Greubel, Apr 06 2016

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..1000

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, 1).

FORMULA

From G. C. Greubel, Apr 06 2016: (Start)

a(23*n) = 0.

a(n+23) = a(n). (End)