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A037571 Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,2. 0
2, 13, 80, 482, 2893, 17360, 104162, 624973, 3749840, 22499042, 134994253, 809965520, 4859793122, 29158758733, 174952552400, 1049715314402, 6298291886413, 37789751318480, 226738507910882, 1360431047465293 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
G.f.: x*(2+x+2*x^2) / ( (x-1)*(6*x-1)*(1+x+x^2) ). - R. J. Mathar, Apr 27 2015
A007092(a(n)) = A037575(n). - R. J. Mathar, Apr 27 2015
PROG
(PARI) a(n)=([0, 1, 0, 0; 0, 0, 1, 0; 0, 0, 0, 1; -6, 1, 0, 6]^(n-1)*[2; 13; 80; 482])[1, 1] \\ Charles R Greathouse IV, Feb 13 2017
CROSSREFS
Sequence in context: A135167 A271475 A037491 * A179237 A216316 A000179
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved

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Last modified March 28 16:58 EDT 2024. Contains 371254 sequences. (Running on oeis4.)