login
A065142
a(n) = 2^n*(n+1)*(3*n)!.
1
1, 24, 8640, 11612160, 38320128000, 251073478656000, 2868263420166144000, 52317124783830466560000, 1429513117593383668285440000, 55751011586141963063132160000000
OFFSET
0,2
LINKS
FORMULA
Integral representation as n-th moment of a positive function on a positive half-axis, in Maple notation: a(n)=int(x^n*(1/36*(2^(2/3)*x^(1/3)+4)*exp(-1/2*2^(2/3)*x^(1/3))*2^(2/3)/x^(2/3)), x=0..infinity), n=0, 1...
PROG
(PARI) { for (n=0, 50, write("b065142.txt", n, " ", 2^n*(n + 1)*(3*n)!) ) } \\ Harry J. Smith, Oct 12 2009
CROSSREFS
Sequence in context: A159409 A167824 A266658 * A233148 A195681 A239166
KEYWORD
nonn
AUTHOR
Karol A. Penson, Oct 16 2001
STATUS
approved