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.

A379606 S = (A-sin(A))/2 gives the area of a segment of the unit circle in terms of the arc length A (<= Pi). Expressing A in terms of S we get A = Sum_{n>=0} b^(2n+1)*c(n) where b = (12*S)^(1/3). Sequence gives numerators of c(n).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 43
5 1213
6 151439
7 33227
8 16542537833
9 887278009
10 15233801224559
11 9597171184603
12 1374085664813273149
13 1593410154419351
14 53299328587804322691259
15 1065024810026227256263721
16 11374760871959174491194191
17 70563256104582737796094772987
18 657272463951301325116190773432261

List of values

[1, 1, 1, 1, 43, 1213, 151439, 33227, 16542537833, 887278009, 15233801224559, 9597171184603, 1374085664813273149, 1593410154419351, 53299328587804322691259, 1065024810026227256263721, 11374760871959174491194191, 70563256104582737796094772987, 657272463951301325116190773432261]