A239559 - cp's OEIS frontend

A239559 Number of compositions of n such that the first part is 1 and the second differences of the parts are in {-9,...,9}.

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	8
6	16
7	32
8	63
9	125
10	248
11	491
12	973
13	1929
14	3819
15	7571
16	15010
17	29749
18	58971
19	116904
20	231735
21	459378
22	910649
23	1805210
24	3578545
25	7093916
26	14062567
27	27876856
28	55261542
29	109547385
30	217160649
31	430487234
32	853373928
33	1691681061
34	3353494567
35	6647781207

[1, 1, 1, 2, 4, 8, 16, 32, 63, 125, 248, 491, 973, 1929, 3819, 7571, 15010, 29749, 58971, 116904, 231735, 459378, 910649, 1805210, 3578545, 7093916, 14062567, 27876856, 55261542, 109547385, 217160649, 430487234, 853373928, 1691681061, 3353494567, 6647781207]

cp's OEIS Frontend

A239559 Number of compositions of n such that the first part is 1 and the second differences of the parts are in {-9,...,9}.

Table of values

List of values