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A185182
a(n) = 2^n*A122705(n).
0
2, 4, 56, 1056, 25152, 721792, 24242048, 934070016, 40677025792, 1978400285696, 106415765626880, 6277848492765184, 403294366605090816, 28037670640704192512, 2098017767318156902400, 168168589694078181900288, 14378323356065959114047488, 1306353644272598753321943040
OFFSET
1,1
LINKS
Jean-Christophe Novelli and Jean-Yves Thibon, Free quasi-symmetric functions and descent algebras for wreath products, and noncommutative multi-symmetric functions, Discrete Mathematics, Vol. 310, No. 24 (2010), pp. 3584-3606; arXiv preprint, arXiv:0806.3682 [math.CO], 2008. See Eq. (123).
CROSSREFS
Cf. A122705.
Sequence in context: A318642 A230884 A362735 * A098626 A012370 A012366
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 23 2012
EXTENSIONS
Offset corrected, first term 0 removed and more terms added by Amiram Eldar, May 06 2024
STATUS
approved