

A037686


Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,3,2.


0



1, 9, 84, 758, 6823, 61407, 552666, 4973996, 44765965, 402893685, 3626043168, 32634388514, 293709496627, 2643385469643, 23790469226790, 214114223041112, 1927028007370009
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OFFSET

1,2


LINKS



FORMULA

G.f.: ( x*(1+3*x^2+2*x^3) ) / ( (x1)*(9*x1)*(1+x)*(x^2+1) ).  R. J. Mathar, Oct 11 2015


MATHEMATICA

Table[FromDigits[PadRight[{}, n, {1, 0, 3, 2}], 9], {n, 20}] (* Harvey P. Dale, Feb 05 2019 *)


CROSSREFS



KEYWORD

nonn,base,easy


AUTHOR



STATUS

approved



