A046207 Numbers to the right of the central elements in the triangle of denominators in Leibniz's Harmonic Triangle.
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
Offset: 1
References
- L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 83, Problem 25.
Crossrefs
Cf. A003506.
Extensions
More terms from James Sellers, Dec 13 1999