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.

A202390 Triangle T(n,k), read by rows, given by (1, 0, 1, 0, 0, 0, 0, 0, 0, 0, ...) DELTA (1, 1, -1, 0, 0, 0, 0, 0, 0, 0, ...) where DELTA is the operator defined in A084938.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 3
5 2
6 1
7 6
8 8
9 3
10 1
11 10
12 21
13 17
14 5
15 1
16 15
17 45
18 58
19 35
20 8
21 1
22 21
23 85
24 154
25 144
26 68
27 13
28 1
29 28
30 147
31 350
32 452
33 330
34 129
35 21
36 1
37 36
38 238
39 714
40 1195
41 1198
42 719
43 239
44 34
45 1
46 45
47 366
48 1344
49 2799
50 3611
51 2959
52 1506
53 436
54 55

List of values

[1, 1, 1, 1, 3, 2, 1, 6, 8, 3, 1, 10, 21, 17, 5, 1, 15, 45, 58, 35, 8, 1, 21, 85, 154, 144, 68, 13, 1, 28, 147, 350, 452, 330, 129, 21, 1, 36, 238, 714, 1195, 1198, 719, 239, 34, 1, 45, 366, 1344, 2799, 3611, 2959, 1506, 436, 55]