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 A037656 Base 7 digits are, in order, the first n terms of the periodic sequence with initial period 3,0,2. 0
 3, 21, 149, 1046, 7322, 51256, 358795, 2511565, 17580957, 123066702, 861466914, 6030268400, 42211878803, 295483151621, 2068382061349, 14478674429446, 101350721006122, 709455047042856, 4966185329299995 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Index entries for linear recurrences with constant coefficients, signature (7,0,1,-7) FORMULA G.f.: x*(3+2*x^2) / ( (x-1)*(7*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 30 2015 MATHEMATICA Table[FromDigits[PadRight[{}, n, {3, 0, 2}], 7], {n, 20}] (* Harvey P. Dale, Jul 27 2019 *) CROSSREFS Sequence in context: A037761 A037649 A037768 * A074577 A007566 A183412 Adjacent sequences:  A037653 A037654 A037655 * A037657 A037658 A037659 KEYWORD nonn,base,easy AUTHOR STATUS approved

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Last modified December 9 06:35 EST 2021. Contains 349627 sequences. (Running on oeis4.)