A238870 - cp's OEIS frontend

A238870 Number of compositions of n with c(1) = 1, c(i+1) - c(i) <= 1, and c(i+1) - c(i) != 0.

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	2
7	2
8	1
9	4
10	4
11	4
12	9
13	10
14	11
15	21
16	25
17	30
18	51
19	62
20	80
21	125
22	157
23	208
24	309
25	399
26	536
27	772
28	1013
29	1373
30	1938
31	2574
32	3503
33	4882
34	6540
35	8918
36	12329
37	16611
38	22672
39	31183
40	42182
41	57588
42	78952
43	107092
44	146202
45	200037
46	271831
47	371057
48	507053
49	689885
50	941558
51	1285655
52	1750672
53	2388951
54	3260459
55	4442179
56	6060948

[1, 1, 0, 1, 1, 0, 2, 2, 1, 4, 4, 4, 9, 10, 11, 21, 25, 30, 51, 62, 80, 125, 157, 208, 309, 399, 536, 772, 1013, 1373, 1938, 2574, 3503, 4882, 6540, 8918, 12329, 16611, 22672, 31183, 42182, 57588, 78952, 107092, 146202, 200037, 271831, 371057, 507053, 689885, 941558, 1285655, 1750672, 2388951, 3260459, 4442179, 6060948]

cp's OEIS Frontend

A238870 Number of compositions of n with c(1) = 1, c(i+1) - c(i) <= 1, and c(i+1) - c(i) != 0.

Table of values

List of values