A328670 - cp's OEIS frontend

A328670 Number of aperiodic compositions of n where every pair of adjacent parts (including the last with the first) is relatively prime.

n	a(n)
1	1
2	0
3	2
4	5
5	11
6	20
7	41
8	75
9	147
10	272
11	533
12	976
13	1881
14	3490
15	6616
16	12378
17	23405
18	43781
19	82536
20	154709
21	291043
22	546139
23	1026685
24	1927038
25	3621004
26	6798417
27	12770935
28	23980791
29	45042957
30	84584416
31	158863805
32	298336153
33	560302805
34	1052234995
35	1976157456
36	3711209272

[1, 0, 2, 5, 11, 20, 41, 75, 147, 272, 533, 976, 1881, 3490, 6616, 12378, 23405, 43781, 82536, 154709, 291043, 546139, 1026685, 1927038, 3621004, 6798417, 12770935, 23980791, 45042957, 84584416, 158863805, 298336153, 560302805, 1052234995, 1976157456, 3711209272]

cp's OEIS Frontend

A328670 Number of aperiodic compositions of n where every pair of adjacent parts (including the last with the first) is relatively prime.

Table of values

List of values