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.

A347667 Triangle read by rows: T(n,k) = Sum_{j=0..k} binomial(n,j) * j! (0 <= k <= n).

Table of values

n a(n)
0 1
1 1
2 2
3 1
4 3
5 5
6 1
7 4
8 10
9 16
10 1
11 5
12 17
13 41
14 65
15 1
16 6
17 26
18 86
19 206
20 326
21 1
22 7
23 37
24 157
25 517
26 1237
27 1957
28 1
29 8
30 50
31 260
32 1100
33 3620
34 8660
35 13700
36 1
37 9
38 65
39 401
40 2081
41 8801
42 28961
43 69281
44 109601
45 1
46 10
47 82
48 586
49 3610
50 18730
51 79210
52 260650
53 623530
54 986410

List of values

[1, 1, 2, 1, 3, 5, 1, 4, 10, 16, 1, 5, 17, 41, 65, 1, 6, 26, 86, 206, 326, 1, 7, 37, 157, 517, 1237, 1957, 1, 8, 50, 260, 1100, 3620, 8660, 13700, 1, 9, 65, 401, 2081, 8801, 28961, 69281, 109601, 1, 10, 82, 586, 3610, 18730, 79210, 260650, 623530, 986410]