A284518 Periodic with period [1, 10, 9, 16, 1, 18, 1, 16, 9, 10, 1, 24] of length 12.

1, 10, 9, 16, 1, 18, 1, 16, 9, 10, 1, 24, 1, 10, 9, 16, 1, 18, 1, 16, 9, 10, 1, 24, 1, 10, 9, 16, 1, 18, 1, 16, 9, 10, 1, 24, 1, 10, 9, 16, 1, 18, 1, 16, 9, 10, 1, 24, 1, 10, 9, 16, 1, 18, 1, 16, 9, 10, 1, 24, 1, 10, 9, 16, 1, 18, 1, 16, 9, 10, 1, 24, 1, 10, 9, 16, 1, 18, 1, 16

Offset

1,2

Links

Table of n, a(n) for n=1..80.

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

Formula

a(n+12)=a(n).

G.f.: -x*(1+11*x+20*x^2+35*x^3+25*x^4+24*x^5) / ( (x-1)*(1+x)*(1+x+x^2)*(x^2+1) ). - R. J. Mathar, Mar 28 2017

Crossrefs

Row 4 of A008307.

Cf. A284517.

Sequence in context: A167608 A063596 A360382 * A369603 A309660 A341821

Adjacent sequences: A284515 A284516 A284517 * A284519 A284520 A284521

Keyword

nonn,easy

Author

R. J. Mathar, Mar 28 2017

Status

approved