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.

A114921 Number of unimodal compositions of n+2 where the maximal part appears exactly twice.

Table of values

n a(n)
0 1
1 0
2 1
3 2
4 4
5 6
6 11
7 16
8 27
9 40
10 63
11 92
12 141
13 202
14 299
15 426
16 614
17 862
18 1222
19 1694
20 2362
21 3242
22 4456
23 6054
24 8229
25 11072
26 14891
27 19872
28 26477
29 35050
30 46320
31 60866
32 79827
33 104194
34 135703
35 176008
36 227791
37 293702
38 377874
39 484554
40 620011
41 790952
42 1006924

List of values

[1, 0, 1, 2, 4, 6, 11, 16, 27, 40, 63, 92, 141, 202, 299, 426, 614, 862, 1222, 1694, 2362, 3242, 4456, 6054, 8229, 11072, 14891, 19872, 26477, 35050, 46320, 60866, 79827, 104194, 135703, 176008, 227791, 293702, 377874, 484554, 620011, 790952, 1006924]

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

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