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A284518 Periodic with period [1, 10, 9, 16, 1, 18, 1, 16, 9, 10, 1, 24] of length 12. 2
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 (list; graph; refs; listen; history; text; internal format)
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: A154533 A167608 A063596 * A184959 A003568 A099642

Adjacent sequences:  A284515 A284516 A284517 * A284519 A284520 A284521

KEYWORD

nonn,easy

AUTHOR

R. J. Mathar, Mar 28 2017

STATUS

approved

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Last modified February 23 13:19 EST 2018. Contains 299581 sequences. (Running on oeis4.)