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A025777 Expansion of 1/((1-x)(1-x^5)(1-x^7)). 0
1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 5, 5, 6, 7, 7, 8, 8, 9, 10, 11, 12, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 31, 32, 34, 35, 36, 38, 39, 41, 42, 44, 46, 47, 49, 50, 52, 54, 56, 58, 59, 61, 63 (list; graph; refs; listen; history; internal format)
OFFSET

0,6

REFERENCES

L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 120, D(n;1,5,7).

FORMULA

round((n^2+13*n+36)/70).

CROSSREFS

Sequence in context: A121828 A057357 A029123 * A194200 A194237 A145703

Adjacent sequences:  A025774 A025775 A025776 * A025778 A025779 A025780

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 13 10:20 EST 2012. Contains 205451 sequences.