A114901 - cp's OEIS frontend

A114901 Number of compositions of n such that each part is adjacent to an equal part.

n	a(n)
0	1
1	0
2	1
3	1
4	2
5	1
6	5
7	3
8	10
9	10
10	21
11	22
12	49
13	51
14	105
15	126
16	233
17	292
18	529
19	678
20	1181
21	1585
22	2654
23	3654
24	6016
25	8416
26	13606
27	19395
28	30840
29	44517
30	70087
31	102070
32	159304
33	233941
34	362429
35	535520
36	825358
37	1225117
38	1880220
39	2801749
40	4285086
41	6404354
42	9769782
43	14634907

[1, 0, 1, 1, 2, 1, 5, 3, 10, 10, 21, 22, 49, 51, 105, 126, 233, 292, 529, 678, 1181, 1585, 2654, 3654, 6016, 8416, 13606, 19395, 30840, 44517, 70087, 102070, 159304, 233941, 362429, 535520, 825358, 1225117, 1880220, 2801749, 4285086, 6404354, 9769782, 14634907]

cp's OEIS Frontend

A114901 Number of compositions of n such that each part is adjacent to an equal part.

Table of values

List of values