A224958 - cp's OEIS frontend

A224958 Number of compositions [p(1), p(2), ..., p(k)] of n such that p(j) != p(j-2).

n	a(n)
0	1
1	1
2	2
3	3
4	6
5	9
6	18
7	29
8	53
9	91
10	162
11	277
12	495
13	855
14	1508
15	2625
16	4618
17	8049
18	14130
19	24675
20	43255
21	75621
22	132475
23	231697
24	405751
25	709887
26	1242824
27	2174763
28	3806989
29	6662291
30	11661737
31	20409409
32	35723307
33	62521919
34	109431810
35	191527623
36	335225350
37	586717615

[1, 1, 2, 3, 6, 9, 18, 29, 53, 91, 162, 277, 495, 855, 1508, 2625, 4618, 8049, 14130, 24675, 43255, 75621, 132475, 231697, 405751, 709887, 1242824, 2174763, 3806989, 6662291, 11661737, 20409409, 35723307, 62521919, 109431810, 191527623, 335225350, 586717615]

cp's OEIS Frontend

A224958 Number of compositions [p(1), p(2), ..., p(k)] of n such that p(j) != p(j-2).

Table of values

List of values