A096571 - cp's OEIS frontend

A096571 Number of compositions of n with first part 3 and no equal adjacent parts; this is column 3 of the array in A096568.

n	a(n)
1	0
2	0
3	1
4	1
5	1
6	2
7	3
8	6
9	12
10	20
11	33
12	59
13	104
14	181
15	319
16	557
17	971
18	1705
19	2985
20	5218
21	9138
22	15993
23	27984
24	48992
25	85749
26	150061
27	262656
28	459721
29	804597
30	1408263
31	2464815
32	4313962
33	7550509
34	13215258
35	23129801
36	40482775
37	70854694
38	124012664

[0, 0, 1, 1, 1, 2, 3, 6, 12, 20, 33, 59, 104, 181, 319, 557, 971, 1705, 2985, 5218, 9138, 15993, 27984, 48992, 85749, 150061, 262656, 459721, 804597, 1408263, 2464815, 4313962, 7550509, 13215258, 23129801, 40482775, 70854694, 124012664]

cp's OEIS Frontend

A096571 Number of compositions of n with first part 3 and no equal adjacent parts; this is column 3 of the array in A096568.

Table of values

List of values