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

Author

R. J. Mathar, Mar 28 2017

Keywords

• nonn
• easy

Links

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

Crossrefs

Row 4 of A008307.

Cf. A284517.

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