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A037781
Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 3,1,2,0.
0
3, 19, 116, 696, 4179, 25075, 150452, 902712, 5416275, 32497651, 194985908, 1169915448, 7019492691, 42116956147, 252701736884, 1516210421304, 9097262527827, 54583575166963, 327501451001780, 1965008706010680
OFFSET
1,1
FORMULA
G.f.: x*(3+x+2*x^2) / ( (x-1)*(6*x-1)*(1+x)*(x^2+1) ). - R. J. Mathar, May 01 2015
CROSSREFS
Sequence in context: A229928 A309183 A261777 * A037585 A084133 A005667
KEYWORD
nonn,base,easy
STATUS
approved