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.

A141690 Triangle t(n,m) = 2*A008292(n+1,m+1) - A007318(n,m), a linear combination of Eulerian numbers and Pascal's triangle, 0 <= m <= n.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 6
5 1
6 1
7 19
8 19
9 1
10 1
11 48
12 126
13 48
14 1
15 1
16 109
17 594
18 594
19 109
20 1
21 1
22 234
23 2367
24 4812
25 2367
26 234
27 1
28 1
29 487
30 8565
31 31203
32 31203
33 8565
34 487
35 1
36 1
37 996
38 29188
39 176412
40 312310
41 176412
42 29188
43 996
44 1
45 1
46 2017
47 95644
48 910300
49 2620582
50 2620582
51 910300

List of values

[1, 1, 1, 1, 6, 1, 1, 19, 19, 1, 1, 48, 126, 48, 1, 1, 109, 594, 594, 109, 1, 1, 234, 2367, 4812, 2367, 234, 1, 1, 487, 8565, 31203, 31203, 8565, 487, 1, 1, 996, 29188, 176412, 312310, 176412, 29188, 996, 1, 1, 2017, 95644, 910300, 2620582, 2620582, 910300]