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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.

A164961 Triangle read by rows: T[n,m] = quadruple factorials A001813(n) * binomials A007318(n,m).

Table of values

n a(n)
0 1
1 2
2 2
3 12
4 24
5 12
6 120
7 360
8 360
9 120
10 1680
11 6720
12 10080
13 6720
14 1680
15 30240
16 151200
17 302400
18 302400
19 151200
20 30240
21 665280
22 3991680
23 9979200
24 13305600
25 9979200
26 3991680
27 665280
28 17297280
29 121080960
30 363242880
31 605404800
32 605404800

List of values

[1, 2, 2, 12, 24, 12, 120, 360, 360, 120, 1680, 6720, 10080, 6720, 1680, 30240, 151200, 302400, 302400, 151200, 30240, 665280, 3991680, 9979200, 13305600, 9979200, 3991680, 665280, 17297280, 121080960, 363242880, 605404800, 605404800]

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

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