A133887 - OEIS

A133887

Binomial(n+7,n) mod 7^2.

1, 8, 36, 22, 36, 8, 1, 2, 16, 23, 44, 23, 16, 2, 3, 24, 10, 17, 10, 24, 3, 4, 32, 46, 39, 46, 32, 4, 5, 40, 33, 12, 33, 40, 5, 6, 48, 20, 34, 20, 48, 6, 7, 7, 7, 7, 7, 7, 7, 8, 15, 43, 29, 43, 15, 8, 9, 23, 30, 2, 30, 23, 9, 10, 31, 17, 24, 17, 31, 10, 11, 39, 4, 46, 4, 39, 11, 12, 47

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OFFSET

0,2

COMMENTS

Periodic with length 7^3=343.

LINKS

Ray Chandler, Table of n, a(n) for n = 0..1500

Index entries for linear recurrences with constant coefficients, order 337.

FORMULA

a(n)=binomial(n+7,7) mod 7^2.

G.f. g(x)=sum{0<=k<343, a(k)*x^k}/(1-x^343).

MATHEMATICA