A239556 - cp's OEIS frontend

A239556 Number of compositions of n such that the first part is 1 and the second differences of the parts are in {-6,...,6}.

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	8
6	16
7	31
8	60
9	117
10	228
11	441
12	860
13	1678
14	3267
15	6368
16	12413
17	24192
18	47158
19	91929
20	179190
21	349306
22	680925
23	1327341
24	2587450
25	5043845
26	9832184
27	19166364
28	37361945
29	72831417
30	141973854
31	276756612
32	539495115
33	1051664254
34	2050060645
35	3996283405

[1, 1, 1, 2, 4, 8, 16, 31, 60, 117, 228, 441, 860, 1678, 3267, 6368, 12413, 24192, 47158, 91929, 179190, 349306, 680925, 1327341, 2587450, 5043845, 9832184, 19166364, 37361945, 72831417, 141973854, 276756612, 539495115, 1051664254, 2050060645, 3996283405]

cp's OEIS Frontend

A239556 Number of compositions of n such that the first part is 1 and the second differences of the parts are in {-6,...,6}.

Table of values

List of values