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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..16.

CROSSREFS

Cf. A068561.

Sequence in context: A137994 A074386 A116009 * A123656 A229842 A223187

Adjacent sequences:  A068559 A068560 A068561 * A068563 A068564 A068565

KEYWORD

easy,frac,nonn

AUTHOR

Benoit Cloitre, Mar 30 2002

STATUS

approved

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Last modified November 17 11:02 EST 2019. Contains 329226 sequences. (Running on oeis4.)