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.

A340613 The number of edges on a Reuleaux triangle formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.

Table of values

n a(n)
1 3
2 42
3 264
4 957
5 2763
6 5946
7 11976
8 20808
9 35121
10 53853
11 81822
12 116658
13 164409
14 222072
15 297654
16 386613
17 499305
18 629124
19 789156
20 970404
21 1189923
22 1435689
23 1726980
24 2050254
25 2428101
26 2843862
27 3323646
28 3847863
29 4446861
30 5096730
31 5833128
32 6627840
33 7520769
34 8480367
35 9550638
36 10695942
37 11966043

List of values

[3, 42, 264, 957, 2763, 5946, 11976, 20808, 35121, 53853, 81822, 116658, 164409, 222072, 297654, 386613, 499305, 629124, 789156, 970404, 1189923, 1435689, 1726980, 2050254, 2428101, 2843862, 3323646, 3847863, 4446861, 5096730, 5833128, 6627840, 7520769, 8480367, 9550638, 10695942, 11966043]

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

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