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.

A304788 Expansion of e.g.f. exp(Sum_{k>=1} binomial(2*k,k)*x^k/(k + 1)!).

Table of values

n a(n)
0 1
1 1
2 3
3 12
4 59
5 343
6 2295
7 17307
8 144751
9 1326377
10 13189945
11 141271298
12 1619488645
13 19766050827
14 255693112641
15 3492065507376
16 50180426293255
17 756444290843433
18 11930511611596861
19 196404976143077964
20 3367697323914503113
21 60029614473492823771
22 1110430594720934758781

List of values

[1, 1, 3, 12, 59, 343, 2295, 17307, 144751, 1326377, 13189945, 141271298, 1619488645, 19766050827, 255693112641, 3492065507376, 50180426293255, 756444290843433, 11930511611596861, 196404976143077964, 3367697323914503113, 60029614473492823771, 1110430594720934758781]