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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.

A335730 a(n) is the number of smallest parts in the overpartitions of n having odd smallest part.

Table of values

n a(n)
1 2
2 4
3 12
4 20
5 40
6 72
7 124
8 200
9 330
10 520
11 804
12 1224
13 1832
14 2704
15 3960
16 5704
17 8144
18 11532
19 16164
20 22480
21 31056
22 42568
23 57972
24 78480
25 105610
26 141336
27 188208
28 249352
29 328824
30 431760
31 564468
32 734992
33 953424
34 1232144
35 1586760
36 2036580
37 2605352
38 3322584
39 4224624
40 5355920

List of values

[2, 4, 12, 20, 40, 72, 124, 200, 330, 520, 804, 1224, 1832, 2704, 3960, 5704, 8144, 11532, 16164, 22480, 31056, 42568, 57972, 78480, 105610, 141336, 188208, 249352, 328824, 431760, 564468, 734992, 953424, 1232144, 1586760, 2036580, 2605352, 3322584, 4224624, 5355920]

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

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