A239553 - cp's OEIS frontend

A239553 Number of compositions of n such that the first part is 1 and the second differences of the parts are in {-3,...,3}.

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	7
6	13
7	23
8	40
9	73
10	132
11	235
12	425
13	767
14	1379
15	2491
16	4495
17	8105
18	14629
19	26407
20	47647
21	86009
22	155251
23	280202
24	505771
25	912930
26	1647796
27	2974292
28	5368610
29	9690288
30	17491016
31	31571338
32	56986216
33	102860299
34	185663064
35	335122028
36	604896038
37	1091838582

[1, 1, 1, 2, 4, 7, 13, 23, 40, 73, 132, 235, 425, 767, 1379, 2491, 4495, 8105, 14629, 26407, 47647, 86009, 155251, 280202, 505771, 912930, 1647796, 2974292, 5368610, 9690288, 17491016, 31571338, 56986216, 102860299, 185663064, 335122028, 604896038, 1091838582]

cp's OEIS Frontend

A239553 Number of compositions of n such that the first part is 1 and the second differences of the parts are in {-3,...,3}.

Table of values

List of values