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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.

A096130 Triangle read by rows: T(n,k) = binomial(k*n,n), 1 <= k <= n.

Table of values

n a(n)
1 1
2 1
3 6
4 1
5 20
6 84
7 1
8 70
9 495
10 1820
11 1
12 252
13 3003
14 15504
15 53130
16 1
17 924
18 18564
19 134596
20 593775
21 1947792
22 1
23 3432
24 116280
25 1184040
26 6724520
27 26978328
28 85900584
29 1
30 12870
31 735471
32 10518300
33 76904685
34 377348994
35 1420494075
36 4426165368
37 1
38 48620
39 4686825
40 94143280
41 886163135
42 5317936260
43 23667689815
44 85113005120
45 260887834350

List of values

[1, 1, 6, 1, 20, 84, 1, 70, 495, 1820, 1, 252, 3003, 15504, 53130, 1, 924, 18564, 134596, 593775, 1947792, 1, 3432, 116280, 1184040, 6724520, 26978328, 85900584, 1, 12870, 735471, 10518300, 76904685, 377348994, 1420494075, 4426165368, 1, 48620, 4686825, 94143280, 886163135, 5317936260, 23667689815, 85113005120, 260887834350]

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

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