login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A068561 Numerators of coefficients in (1+x)^(1/3)-(1-x)^(1/3) power series. 1
2, 10, 44, 748, 43010, 294814, 6349840, 141329296, 1074518324, 74933514700, 1768430946920, 14084538964600, 340000770605444, 74512476573454612, 609313847842042640, 15044155456074175376, 373539541721841740870 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

Numerator/@Select[CoefficientList[Series[(1+x)^(1/3)-(1-x)^(1/3), {x, 0, 40}], x], #!=0&] (* From Harvey P. Dale, June 30 2011 *)

CROSSREFS

Cf. A068562.

Sequence in context: A142983 A065805 A145239 * A068484 A192704 A005963

Adjacent sequences:  A068558 A068559 A068560 * A068562 A068563 A068564

KEYWORD

easy,frac,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 30 2002

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 14 19:37 EST 2012. Contains 205663 sequences.