cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A046207 Numbers to the right of the central elements in the triangle of denominators in Leibniz's Harmonic Triangle.

Original entry on oeis.org

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

Views

Author

Keywords

References

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

Crossrefs

Cf. A003506.

Extensions

More terms from James Sellers, Dec 13 1999