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A020931 Expansion of (1-4*x)^(19/2). 1
1, -38, 646, -6460, 41990, -184756, 554268, -1108536, 1385670, -923780, 184756, 33592, 16796, 12920, 12920, 15504, 21318, 32604, 54340, 97240, 184756, 369512, 772616, 1679600, 3779100, 8767512, 20907144 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..26.

MATHEMATICA

CoefficientList[Series[(1-4x)^(19/2), {x, 0, 30}], x] (* Harvey P. Dale, Jul 03 2013 *)

CROSSREFS

Sequence in context: A268765 A202715 A094034 * A089271 A195912 A240425

Adjacent sequences:  A020928 A020929 A020930 * A020932 A020933 A020934

KEYWORD

sign

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified March 20 15:43 EDT 2019. Contains 321345 sequences. (Running on oeis4.)