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A037688 Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,2,0,3. 0
1, 6, 24, 99, 397, 1590, 6360, 25443, 101773, 407094, 1628376, 6513507, 26054029, 104216118, 416864472, 1667457891, 6669831565, 26679326262, 106717305048, 426869220195, 1707476880781, 6829907523126, 27319630092504 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
FORMULA
G.f.: ( x*(1+2*x+3*x^3) ) / ( (x-1)*(4*x-1)*(1+x)*(x^2+1) ). - R. J. Mathar, Oct 11 2015
MATHEMATICA
Table[FromDigits[PadRight[{}, n, {1, 2, 0, 3}], 4], {n, 30}] (* Harvey P. Dale, Mar 06 2024 *)
CROSSREFS
Sequence in context: A037505 A048179 A117614 * A343116 A360036 A255471
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved

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Last modified July 15 11:27 EDT 2024. Contains 374332 sequences. (Running on oeis4.)