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A037541
Base 8 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,1.
0
1, 10, 81, 649, 5194, 41553, 332425, 2659402, 21275217, 170201737, 1361613898, 10892911185, 87143289481, 697146315850, 5577170526801, 44617364214409, 356938913715274, 2855511309722193
OFFSET
1,2
FORMULA
G.f.: x*(1+x)^2 / ( (x-1)*(8*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 30 2015
MATHEMATICA
CoefficientList[Series[(1 + x)^2/((x - 1)*(8*x - 1)*(1 + x + x^2)), {x, 0, 30}], x] (* Wesley Ivan Hurt, Dec 27 2023 *)
CROSSREFS
Sequence in context: A018202 A154236 A095004 * A037485 A343276 A363559
KEYWORD
nonn,base,easy
STATUS
approved