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.

A211369 Array read by antidiagonals: T(m,n) = m*(m+n-1)! + Sum( n <= i <= m+n-2 ) i!

Table of values

n a(n)
1 1
2 2
3 5
4 6
5 14
6 21
7 24
8 54
9 80
10 105
11 120
12 264
13 390
14 512
15 633
16 720
17 1560
18 2304
19 3030
20 3752
21 4473
22 5040
23 10800
24 15960
25 21024
26 26070
27 31112
28 36153
29 40320
30 85680
31 126720
32 167160
33 207504
34 247830
35 288152
36 328473
37 362880
38 766080
39 1134000

List of values

[1, 2, 5, 6, 14, 21, 24, 54, 80, 105, 120, 264, 390, 512, 633, 720, 1560, 2304, 3030, 3752, 4473, 5040, 10800, 15960, 21024, 26070, 31112, 36153, 40320, 85680, 126720, 167160, 207504, 247830, 288152, 328473, 362880, 766080, 1134000]