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A037516 Base 7 digits are, in order, the first n terms of the periodic sequence with initial period 2,0,1. 0
2, 14, 99, 695, 4865, 34056, 238394, 1668758, 11681307, 81769151, 572384057, 4006688400, 28046818802, 196327731614, 1374294121299, 9620058849095, 67340411943665, 471382883605656, 3299680185239594 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..19.

Index entries for linear recurrences with constant coefficients, signature (7,0,1,-7).

FORMULA

G.f. x*(2+x^2) / ( (x-1)*(7*x-1)*(1+x+x^2) ). - R. J. Mathar, Nov 21 2011

CROSSREFS

Sequence in context: A109808 A304444 A247481 * A037719 A158811 A198280

Adjacent sequences:  A037513 A037514 A037515 * A037517 A037518 A037519

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 24 03:22 EST 2020. Contains 332195 sequences. (Running on oeis4.)