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A011816 M-sequences from multicomplexes on 4 variables with all monomials of degree 8 but none of degree larger than n. 0
0, 0, 0, 0, 0, 0, 0, 0, 1, 221, 29745, 3204423, 307002944, 27599253281, 2402068598621, 206421946595193, 17745023547769043, 1539711485029843466, 135701086522090847679, 12203103757932310440888 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,10

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..19.

FORMULA

a(n) = Sum_{k=8..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

CROSSREFS

Sequence in context: A177420 A220737 A220723 * A048902 A210135 A013548

Adjacent sequences:  A011813 A011814 A011815 * A011817 A011818 A011819

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

Offset corrected by Sean A. Irvine, Jun 28 2018

STATUS

approved

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Last modified September 21 05:55 EDT 2020. Contains 337267 sequences. (Running on oeis4.)