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 A037555 Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,1. 0
 2, 13, 79, 476, 2857, 17143, 102860, 617161, 3702967, 22217804, 133306825, 799840951, 4799045708, 28794274249, 172765645495, 1036593872972, 6219563237833, 37317379426999, 223904276561996, 1343425659371977 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Index entries for linear recurrences with constant coefficients, signature (6,0,1,-6). FORMULA G.f.: x*(2+x+x^2) / ( (x-1)*(6*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 30 2015 MATHEMATICA Module[{nn=20, c}, c=PadRight[{}, nn, {2, 1, 1}]; Table[FromDigits[Take[c, n], 6], {n, nn}]] (* Harvey P. Dale, Jul 23 2012 *) CROSSREFS Sequence in context: A090187 A212390 A198849 * A135167 A271475 A037491 Adjacent sequences:  A037552 A037553 A037554 * A037556 A037557 A037558 KEYWORD nonn,base,easy AUTHOR STATUS approved

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Last modified January 29 16:58 EST 2020. Contains 331347 sequences. (Running on oeis4.)