A011807 M-sequences from multicomplexes on at most 10 variables with no monomial of degree more than n-1.

2, 12, 232, 11672, 1384758, 359074648, 189675768766, 191922235160156, 352948154052188478, 1128291787675746659550, 6036763457041517857600280, 52327736404697360992760687988

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(10, 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, A011808, A011809.

Sequence in context: A013141 A013143 A009359 * A182507 A348877 A309615

Adjacent sequences: A011804 A011805 A011806 * A011808 A011809 A011810

Keyword

nonn

Author

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

Extensions

Offset corrected by Sean A. Irvine, Jun 28 2018

Status

approved