

A037751


Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,3,1,0.


0



2, 11, 45, 180, 722, 2891, 11565, 46260, 185042, 740171, 2960685, 11842740, 47370962, 189483851, 757935405, 3031741620, 12126966482, 48507865931, 194031463725, 776125854900, 3104503419602, 12418013678411, 49672054713645
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OFFSET

1,1


LINKS



FORMULA

G.f.: ( x*(2+x) ) / ( (x1)*(4*x1)*(x^2+1) ).  R. J. Mathar, Oct 15 2015


CROSSREFS



KEYWORD

nonn,base


AUTHOR



STATUS

approved



