A357643 - cp's OEIS frontend

A357643 Number of integer compositions of n into parts that are alternately equal and unequal.

n	a(n)
0	1
1	1
2	2
3	1
4	3
5	3
6	5
7	5
8	9
9	7
10	17
11	14
12	28
13	25
14	49
15	42
16	87
17	75
18	150
19	132
20	266
21	226
22	466
23	399
24	810
25	704
26	1421
27	1223
28	2488
29	2143
30	4352
31	3759
32	7621
33	6564
34	13339
35	11495
36	23339
37	20135
38	40852
39	35215
40	71512
41	61639
42	125148
43	107912
44	219040
45	188839
46	383391
47	330515
48	670998

[1, 1, 2, 1, 3, 3, 5, 5, 9, 7, 17, 14, 28, 25, 49, 42, 87, 75, 150, 132, 266, 226, 466, 399, 810, 704, 1421, 1223, 2488, 2143, 4352, 3759, 7621, 6564, 13339, 11495, 23339, 20135, 40852, 35215, 71512, 61639, 125148, 107912, 219040, 188839, 383391, 330515, 670998]

cp's OEIS Frontend

A357643 Number of integer compositions of n into parts that are alternately equal and unequal.

Table of values

List of values