A301500 - cp's OEIS frontend

A301500 Number of compositions (ordered partitions) of n into squarefree parts (A005117) such that no two adjacent parts are equal (Carlitz compositions).

n	a(n)
0	1
1	1
2	1
3	3
4	3
5	5
6	11
7	15
8	25
9	45
10	69
11	115
12	193
13	309
14	513
15	849
16	1387
17	2291
18	3771
19	6189
20	10195
21	16773
22	27579
23	45391
24	74675
25	122837
26	202111
27	332507
28	547011
29	899949
30	1480583
31	2435803
32	4007361
33	6592863
34	10846405
35	17844319
36	29357197
37	48297813
38	79458705
39	130724101
40	215064673

[1, 1, 1, 3, 3, 5, 11, 15, 25, 45, 69, 115, 193, 309, 513, 849, 1387, 2291, 3771, 6189, 10195, 16773, 27579, 45391, 74675, 122837, 202111, 332507, 547011, 899949, 1480583, 2435803, 4007361, 6592863, 10846405, 17844319, 29357197, 48297813, 79458705, 130724101, 215064673]

cp's OEIS Frontend

A301500 Number of compositions (ordered partitions) of n into squarefree parts (A005117) such that no two adjacent parts are equal (Carlitz compositions).

Table of values

List of values