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A037749
Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 2,3,0,1.
0
2, 21, 189, 1702, 15320, 137883, 1240947, 11168524, 100516718, 904650465, 8141854185, 73276687666, 659490188996, 5935411700967, 53418705308703, 480768347778328, 4326915130004954
OFFSET
1,1
FORMULA
G.f.: ( x*(2+3*x+x^3) ) / ( (x-1)*(9*x-1)*(1+x)*(1+x^2) ). - R. J. Mathar, Oct 15 2015
CROSSREFS
Sequence in context: A263435 A202028 A265167 * A037630 A037756 A037644
KEYWORD
nonn,base
STATUS
approved