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.

A193842 Triangular array: the fission of the polynomial sequence ((x+1)^n: n >= 0) by the polynomial sequence ((x+2)^n: n >= 0). (Fission is defined at Comments.)

Table of values

n a(n)
0 1
1 1
2 4
3 1
4 7
5 13
6 1
7 10
8 34
9 40
10 1
11 13
12 64
13 142
14 121
15 1
16 16
17 103
18 334
19 547
20 364
21 1
22 19
23 151
24 643
25 1549
26 2005
27 1093
28 1
29 22
30 208
31 1096
32 3478
33 6652
34 7108
35 3280
36 1
37 25
38 274
39 1720
40 6766
41 17086
42 27064
43 24604
44 9841
45 1
46 28
47 349
48 2542
49 11926
50 37384
51 78322
52 105796

List of values

[1, 1, 4, 1, 7, 13, 1, 10, 34, 40, 1, 13, 64, 142, 121, 1, 16, 103, 334, 547, 364, 1, 19, 151, 643, 1549, 2005, 1093, 1, 22, 208, 1096, 3478, 6652, 7108, 3280, 1, 25, 274, 1720, 6766, 17086, 27064, 24604, 9841, 1, 28, 349, 2542, 11926, 37384, 78322, 105796]