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.

A120445 Number of different convex inscribed polygons with n pair of sides of lengths d1, d2, ..., dn all distinct. Or number of bracelets with n pairs of beads, each pair of one among n colors.

Table of values

n a(n)
1 1
2 2
3 11
4 171
5 5736
6 312240
7 24327000
8 2554072920
9 347351195520
10 59397023589120
11 12473374574505600
12 3155763762320400000
13 946729128624509260800
14 332301924146113021900800
15 134914581203304233287756800
16 62735280259536165098353536000
17 33124227977035089658775531520000

List of values

[1, 2, 11, 171, 5736, 312240, 24327000, 2554072920, 347351195520, 59397023589120, 12473374574505600, 3155763762320400000, 946729128624509260800, 332301924146113021900800, 134914581203304233287756800, 62735280259536165098353536000, 33124227977035089658775531520000]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.