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A046207 Numbers to the right of the central elements in the triangle of denominators in Leibniz's Harmonic Triangle. 0
2, 3, 12, 4, 20, 5, 60, 30, 6, 105, 42, 7, 280, 168, 56, 8, 504, 252, 72, 9, 1260, 840, 360, 90, 10, 2310, 1320, 495, 110, 11, 5544, 3960, 1980, 660, 132, 12, 10296, 6435, 2860, 858, 156, 13, 24024, 18018, 10010, 4004, 1092, 182, 14, 45045, 30030, 15015, 5460 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 83, Problem 25.

LINKS

Table of n, a(n) for n=1..53.

CROSSREFS

Cf. A003506.

Sequence in context: A162846 A072734 A223524 * A030611 A252177 A214011

Adjacent sequences:  A046204 A046205 A046206 * A046208 A046209 A046210

KEYWORD

tabf,nonn,easy

AUTHOR

Mohammad K. Azarian

EXTENSIONS

More terms from James A. Sellers, Dec 13 1999

STATUS

approved

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Last modified November 15 11:35 EST 2018. Contains 317238 sequences. (Running on oeis4.)