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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.

A368675 Number of partitions of [n] whose block maxima sum to 2n.

Table of values

n a(n)
0 1
1 0
2 0
3 1
4 2
5 7
6 15
7 39
8 81
9 193
10 396
11 885
12 1816
13 3915
14 7973
15 16860
16 34165
17 71092
18 143804
19 295963
20 596872
21 1219950
22 2455139
23 4989265
24 10028841
25 20296288
26 40745616
27 82225558
28 164916967
29 332045545
30 665566046
31 1337794545
32 2680049287
33 5380396625
34 10774301183

List of values

[1, 0, 0, 1, 2, 7, 15, 39, 81, 193, 396, 885, 1816, 3915, 7973, 16860, 34165, 71092, 143804, 295963, 596872, 1219950, 2455139, 4989265, 10028841, 20296288, 40745616, 82225558, 164916967, 332045545, 665566046, 1337794545, 2680049287, 5380396625, 10774301183]

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

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