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.

A351145 Triangle T(n,m) read by rows: Sum_{k=1..m} binomial(2*n, n+k)*d(k), m<=n, with d(k)=A000005(k).

Table of values

n a(n)
1 1
2 4
3 6
4 15
5 27
6 29
7 56
8 112
9 128
10 131
11 210
12 450
13 540
14 570
15 572
16 792
17 1782
18 2222
19 2420
20 2444
21 2448
22 3003
23 7007
24 9009
25 10101
26 10283
27 10339
28 10341
29 11440
30 27456
31 36192
32 41652
33 42772
34 43252
35 43284
36 43288
37 43758
38 107406
39 144534
40 170238
41 176358
42 179622
43 179928
44 180000
45 180003

List of values

[1, 4, 6, 15, 27, 29, 56, 112, 128, 131, 210, 450, 540, 570, 572, 792, 1782, 2222, 2420, 2444, 2448, 3003, 7007, 9009, 10101, 10283, 10339, 10341, 11440, 27456, 36192, 41652, 42772, 43252, 43284, 43288, 43758, 107406, 144534, 170238, 176358, 179622, 179928, 180000, 180003]