A242505 - cp's OEIS frontend

A242505 Number of compositions of n, where the difference between the number of odd parts and the number of even parts is 7.

n	a(n)
7	1
8	0
9	7
10	9
11	28
12	81
13	139
14	405
15	815
16	1771
17	4092
18	8173
19	18019
20	37609
21	77246
22	163345
23	331968
24	683631
25	1400777
26	2832362
27	5770056
28	11640546
29	23446366
30	47227530
31	94582628
32	189487950
33	378658714
34	754877809
35	1504215522
36	2990469337
37	5939101301
38	11782590061
39	23340439078

[1, 0, 7, 9, 28, 81, 139, 405, 815, 1771, 4092, 8173, 18019, 37609, 77246, 163345, 331968, 683631, 1400777, 2832362, 5770056, 11640546, 23446366, 47227530, 94582628, 189487950, 378658714, 754877809, 1504215522, 2990469337, 5939101301, 11782590061, 23340439078]

cp's OEIS Frontend

A242505 Number of compositions of n, where the difference between the number of odd parts and the number of even parts is 7.

Table of values

List of values