%I #6 Jun 28 2018 17:58:59

%S 0,0,0,0,0,0,1,121,9274,588336,34169279,1910015056,105715598909,

%T 5894822718103,334864912935350,19523280973963941,1174121560958610835,

%U 73092687563740003227,4721840282194948355236

%N M-sequences from multicomplexes on 4 variables with all monomials of degree 6 but none of degree larger than n.

%D S. Linusson, The number of M-sequences and f-vectors, Combinatorica, 19 (1999), 255-266.

%F a(n) = Sum_{k=6..n} L(4, n, k) where L(p, n, k) = Sum_{i=k..n} L(p-1, n, i) * L(p, i-1, k-1) with boundary conditions L(p, n, n) = L(p, n, -1) = 1 (p >= 0, n >= -1), L(0, n, k) = 0 (0 <= k < n) [from Linusson]. - _Sean A. Irvine_, Jun 28 2018

%K nonn

%O 0,8

%A Svante Linusson (linusson(AT)math.kth.se)

%E Offset corrected by _Sean A. Irvine_, Jun 28 2018