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.

A156740 Triangle T(n, k, m) = round( Product_{j=0..m} binomial(2*(n+j), 2*(k+j))/binomial( 2*(n-k+j), 2*j) ), where m = 7, read by rows.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 153
5 1
6 1
7 4845
8 4845
9 1
10 1
11 74613
12 2362745
13 74613
14 1
15 1
16 735471
17 358664691
18 358664691
19 735471
20 1
21 1
22 5311735
23 25533510145
24 393216056233
25 25533510145
26 5311735
27 1
28 1
29 30421755
30 1056158828725
31 160324910200455
32 160324910200455
33 1056158828725
34 30421755
35 1

List of values

[1, 1, 1, 1, 153, 1, 1, 4845, 4845, 1, 1, 74613, 2362745, 74613, 1, 1, 735471, 358664691, 358664691, 735471, 1, 1, 5311735, 25533510145, 393216056233, 25533510145, 5311735, 1, 1, 30421755, 1056158828725, 160324910200455, 160324910200455, 1056158828725, 30421755, 1]