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A068562
Denominators of coefficients in (1+x)^(1/3)-(1-x)^(1/3) power series.
1
3, 81, 729, 19683, 1594323, 14348907, 387420489, 10460353203, 94143178827, 7625597484987, 205891132094649, 1853020188851841, 50031545098999707, 12157665459056928801, 109418989131512359209, 2954312706550833698643
OFFSET
1,1
CROSSREFS
Cf. A068561.
Sequence in context: A137994 A074386 A116009 * A123656 A229842 A223187
KEYWORD
easy,frac,nonn
AUTHOR
Benoit Cloitre, Mar 30 2002
STATUS
approved