

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
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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) / ( (x1)*(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



