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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.

A170935 b(n)*b(n+1), where b() = A000930().

Table of values

n a(n)
0 1
1 1
2 2
3 6
4 12
5 24
6 54
7 117
8 247
9 532
10 1148
11 2460
12 5280
13 11352
14 24381
15 52353
16 112462
17 241570
18 518840
19 1114416
20 2393694
21 5141385
22 11043135
23 23719608
24 50947336
25 109429624
26 235043840
27 504850560
28 1084367865
29 2329112625
30 5002699050
31 10745292366
32 23079802756
33 49573086472

List of values

[1, 1, 2, 6, 12, 24, 54, 117, 247, 532, 1148, 2460, 5280, 11352, 24381, 52353, 112462, 241570, 518840, 1114416, 2393694, 5141385, 11043135, 23719608, 50947336, 109429624, 235043840, 504850560, 1084367865, 2329112625, 5002699050, 10745292366, 23079802756, 49573086472]

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

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