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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.

A244714 Number of compositions of n with exactly 2 transitions between different parts.

Table of values

n a(n)
4 1
5 4
6 14
7 29
8 56
9 100
10 148
11 230
12 322
13 446
14 573
15 778
16 953
17 1215
18 1456
19 1806
20 2134
21 2542
22 2944
23 3477
24 3968
25 4600
26 5186
27 5872
28 6657
29 7446
30 8304
31 9217
32 10258
33 11172
34 12465
35 13564
36 14867
37 16072
38 17716
39 18816
40 20832
41 22055
42 24144
43 25504
44 27904
45 29168
46 32051
47 33375

List of values

[1, 4, 14, 29, 56, 100, 148, 230, 322, 446, 573, 778, 953, 1215, 1456, 1806, 2134, 2542, 2944, 3477, 3968, 4600, 5186, 5872, 6657, 7446, 8304, 9217, 10258, 11172, 12465, 13564, 14867, 16072, 17716, 18816, 20832, 22055, 24144, 25504, 27904, 29168, 32051, 33375]

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

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