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A054172
Inverse Moebius transform of A000048 (starting at term 0).
0
1, 2, 2, 3, 3, 6, 6, 12, 18, 32, 52, 100, 171, 322, 589, 1103, 2049, 3877, 7281, 13830, 26221, 49982, 95326, 182470, 349523, 671260, 1290573, 2485827, 4793491, 9257016, 17895680, 34637936, 67108917, 130152543, 252645143, 490857374
OFFSET
0,2
CROSSREFS
Sequence in context: A238547 A325681 A116450 * A236971 A373446 A121211
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Apr 29 2000
STATUS
approved