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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.

A174528 Triangle T(n,m) = 2*A022168(n,m) - binomial(n, m), 0 <= m <= n, read by rows.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 8
5 1
6 1
7 39
8 39
9 1
10 1
11 166
12 708
13 166
14 1
15 1
16 677
17 11584
18 11584
19 677
20 1
21 1
22 2724
23 186171
24 753590
25 186171
26 2724
27 1
28 1
29 10915
30 2981685
31 48417191
32 48417191
33 2981685
34 10915
35 1
36 1
37 43682
38 47718190
39 3101684114
40 12443227012
41 3101684114
42 47718190

List of values

[1, 1, 1, 1, 8, 1, 1, 39, 39, 1, 1, 166, 708, 166, 1, 1, 677, 11584, 11584, 677, 1, 1, 2724, 186171, 753590, 186171, 2724, 1, 1, 10915, 2981685, 48417191, 48417191, 2981685, 10915, 1, 1, 43682, 47718190, 3101684114, 12443227012, 3101684114, 47718190]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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