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A037574 Base 9 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,2. 0
2, 19, 173, 1559, 14032, 126290, 1136612, 10229509, 92065583, 828590249, 7457312242, 67115810180, 604042291622, 5436380624599, 48927425621393, 440346830592539, 3963121475332852 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

Index entries for linear recurrences with constant coefficients, signature (9,0,1,-9).

FORMULA

G.f.: x*(2+x+2*x^2) / ( (x-1)*(9*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 26 2015

CROSSREFS

Sequence in context: A224753 A037558 A037494 * A037742 A037637 A163067

Adjacent sequences:  A037571 A037572 A037573 * A037575 A037576 A037577

KEYWORD

nonn,base,easy

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified December 3 04:39 EST 2016. Contains 278698 sequences.