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URL: https://oeis.org/A037674

⇱ A037674 - OEIS

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A037674
Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,2,3.
0
1, 4, 18, 75, 301, 1204, 4818, 19275, 77101, 308404, 1233618, 4934475, 19737901, 78951604, 315806418, 1263225675, 5052902701, 20211610804, 80846443218, 323385772875, 1293543091501, 5174172366004, 20696689464018, 82786757856075
OFFSET
1,2
FORMULA
G.f.: x*(1-x+3*x^2) / ( (x-1)*(4*x-1)*(x^2+1) ). - R. J. Mathar, May 04 2015
CROSSREFS
Sequence in context: A026560 A180140 A245127 * A066259 A172159 A084213
KEYWORD
nonn,base,easy
STATUS
approved