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A037562
Base 5 digits are, in order, the first n terms of the periodic sequence with initial period 2,2,1.
0
2, 12, 61, 307, 1537, 7686, 38432, 192162, 960811, 4804057, 24020287, 120101436, 600507182, 3002535912, 15012679561, 75063397807, 375316989037, 1876584945186, 9382924725932, 46914623629662, 234573118148311, 1172865590741557
OFFSET
1,1
FORMULA
G.f.: x*(2+2*x+x^2) / ( (x-1)*(5*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 30 2015
CROSSREFS
Sequence in context: A358448 A127044 A245091 * A321277 A187001 A121177
KEYWORD
nonn,base,easy
STATUS
approved