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%I M0174
%S 2,1,4,13,44,135,472,1492,5324,17405,63944,215096,799416,2752909,
%T 10310384,36443256,137263244,489166324,1860249448,6739795717,
%U 25596173800,93596253769,357974884304,1319325363658,5056389932088
%N Witt vector *2!.
%C If c is the Witt transform of b then b(n) = Sum ( A074650(n/d, c(d)) ), d|n.
%C The Somos transform sends sequence {a(n)} to sequence with g.f. Product (1/(1-a[i]*x^i)) i=1 to n.
%D H. Gaudier, Relevement des coefficients binomiaux dans les vecteurs de Witt, S\'{e}minaire Lotharingien de Combinatoire. Institut de Recherche Math. Avanc\'{e}e, Universit\'{e} Louis Pasteur, Strasbourg, Actes 16 (1988), 358/S-18, pp. 93-108.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%F Inverse Somos transform of A000108 shifted left. (Wouter Meeussen, Aug 20 2002)
%Y Cf. A006177, A006973.
%K nonn
%O 1,1
%A _Simon Plouffe_
%E Edited by _Christian G. Bower_, Aug 20 2002
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