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Quadrinomial coefficients.
(Formerly M4872)
0

%I M4872 #12 Oct 12 2017 19:22:43

%S 1,12,155,2128,30276,440484,6506786,97181760,1463609356,22187304112,

%T 338118529539,5175023913008,79492847013100,1224838471521240,

%U 18922450356489780,293003808610433280,4546150487318508156,70662280030419277200,1100069396653853657564

%N Quadrinomial coefficients.

%D L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 78.

%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

%H R. K. Guy, <a href="/A005712/a005712.pdf">Letter to N. J. A. Sloane, 1987</a>

%Y Bisection of A005190.

%K nonn

%O 1,2

%A _N. J. A. Sloane_.