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.

A099765 a(n) = (1/Pi)*(2^n/n)*(n-1)!*Integral_{t>=0} (sin(t)/t)^n dt.

Table of values

n a(n)
1 1
2 1
3 2
4 8
5 46
6 352
7 3364
8 38656
9 519446
10 7996928
11 138826588
12 2683604992
13 57176039628
14 1331300646912
15 33636118326984
16 916559498182656
17 26795449170328038
18 836606220759859200
19 27784046218331805100

List of values

[1, 1, 2, 8, 46, 352, 3364, 38656, 519446, 7996928, 138826588, 2683604992, 57176039628, 1331300646912, 33636118326984, 916559498182656, 26795449170328038, 836606220759859200, 27784046218331805100]