A239554 - cp's OEIS frontend

A239554 Number of compositions of n such that the first part is 1 and the second differences of the parts are in {-4,...,4}.

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	8
6	15
7	28
8	52
9	97
10	183
11	344
12	647
13	1219
14	2295
15	4322
16	8140
17	15338
18	28899
19	54449
20	102588
21	193297
22	364219
23	686272
24	1293113
25	2436562
26	4591090
27	8650808
28	16300370
29	30714116
30	57873375
31	109048498
32	205475699
33	387169634
34	729528290
35	1374621010
36	2590143467

[1, 1, 1, 2, 4, 8, 15, 28, 52, 97, 183, 344, 647, 1219, 2295, 4322, 8140, 15338, 28899, 54449, 102588, 193297, 364219, 686272, 1293113, 2436562, 4591090, 8650808, 16300370, 30714116, 57873375, 109048498, 205475699, 387169634, 729528290, 1374621010, 2590143467]

cp's OEIS Frontend

A239554 Number of compositions of n such that the first part is 1 and the second differences of the parts are in {-4,...,4}.

Table of values

List of values