A011809 M-sequences from multicomplexes on at most 12 variables with no monomial of degree more than n-1.

2, 14, 378, 30772, 6807620, 3763991016, 4811471951354, 13277799809473332, 74561538032148504662, 809821626491578170933334, 16284904611381210096496935806, 583857656205952477141180365415562

Offset

0,1

References

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

Links

Table of n, a(n) for n=0..11.

Formula

a(n) = Sum_{k=-1..n} L(12, 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

Crossrefs

Cf. A007065, A007625, A011804, A011805, A011806, A011807, A011808.

Sequence in context: A346210 A255493 A013039 * A228852 A242876 A102596

Adjacent sequences: A011806 A011807 A011808 * A011810 A011811 A011812

Keyword

nonn

Author

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

Extensions

Offset corrected by Sean A. Irvine, Jun 28 2018

Status

approved