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A011821 Number of M-sequences m_0,...,m_5 with m_1 < n. 0
2, 7, 64, 877, 10742, 102050, 753994, 4486435, 22285884, 95264798, 359074648, 1216716022, 3763991016, 10763615106, 28741372964, 72261453121, 172248589406, 391536067037, 852876877928, 1787799809335, 3619382778994 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Apparently a polynomial of degree 15: n^15/32659200 etc., compare A011829. [Frank Ellermann (hmdmhdfmhdjmzdtjmzdtzktdkztdjz(AT)gmail.com)]

REFERENCES

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

CROSSREFS

Cf. A011819-A011825, A011829.

Sequence in context: A100523 A181030 A006506 * A117263 A046855 A179043

Adjacent sequences:  A011818 A011819 A011820 * A011822 A011823 A011824

KEYWORD

nonn

AUTHOR

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

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Last modified February 14 16:43 EST 2012. Contains 205635 sequences.