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A059357 A diagonal of triangle in A008298. 1
1, 18, 215, 2475, 28294, 340116, 4335596, 57773700, 831170736, 12532005288, 201002619168, 3401283910752, 60929911689984, 1143429812726400, 22572470529457920, 468013463441475840, 10124124979606179840 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

REFERENCES

L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 159.

LINKS

Table of n, a(n) for n=3..19.

CROSSREFS

Sequence in context: A260569 A125430 A021764 * A009470 A111991 A081136

Adjacent sequences:  A059354 A059355 A059356 * A059358 A059359 A059360

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jan 27 2001

EXTENSIONS

More terms from Vladeta Jovovic, Dec 28 2001

STATUS

approved

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Last modified November 17 00:14 EST 2018. Contains 317275 sequences. (Running on oeis4.)