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 A037570 Base 5 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,2. 1
 2, 11, 57, 287, 1436, 7182, 35912, 179561, 897807, 4489037, 22445186, 112225932, 561129662, 2805648311, 14028241557, 70141207787, 350706038936, 1753530194682, 8767650973412, 43838254867061, 219191274335307, 1095956371676537 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Harvey P. Dale, Table of n, a(n) for n = 1..1000 Index entries for linear recurrences with constant coefficients, signature (5,0,1,-5). FORMULA G.f.: x*(2+x+2*x^2) / ( (x-1)*(5*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 27 2015 MATHEMATICA Table[FromDigits[PadRight[{}, n, {2, 1, 2}], 5], {n, 30}] (* or *) LinearRecurrence[{5, 0, 1, -5}, {2, 11, 57, 287}, 30] (* Harvey P. Dale, Jul 04 2024 *) CROSSREFS Sequence in context: A041129 A332524 A037490 * A240888 A120464 A164581 Adjacent sequences: A037567 A037568 A037569 * A037571 A037572 A037573 KEYWORD nonn,base,easy AUTHOR Clark Kimberling STATUS approved

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Last modified September 16 23:59 EDT 2024. Contains 375984 sequences. (Running on oeis4.)