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.

A211365 Array read by antidiagonals: T(m,n) = Sum(1<=i<=m) i * (2m+n-1-i)!

Table of values

n a(n)
1 1
2 2
3 10
4 6
5 36
6 186
7 24
8 168
9 1032
10 6936
11 120
12 960
13 6840
14 53040
15 462120
16 720
17 6480
18 52560
19 461520
20 4499280
21 48453840
22 5040
23 50400
24 458640
25 4495680
26 48449520
27 571404960
28 7321381200
29 40320
30 443520
31 4475520
32 48424320
33 571374720
34 7321345920

List of values

[1, 2, 10, 6, 36, 186, 24, 168, 1032, 6936, 120, 960, 6840, 53040, 462120, 720, 6480, 52560, 461520, 4499280, 48453840, 5040, 50400, 458640, 4495680, 48449520, 571404960, 7321381200, 40320, 443520, 4475520, 48424320, 571374720, 7321345920]

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

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