A068202 - cp's OEIS frontend

A068202 Next-to-middle coefficient in expansion of Product_{k=1..n} (1 + x^k).

n	a(n)
1	0
2	1
3	1
4	2
5	3
6	5
7	8
8	13
9	23
10	39
11	69
12	123
13	219
14	396
15	719
16	1313
17	2406
18	4435
19	8215
20	15260
21	28431
22	53167
23	99774
24	187615
25	353500
26	667874
27	1264854
28	2399207
29	4557831
30	8675836
31	16544234
32	31587644
33	60382450
34	115601178
35	221625505
36	425313967

[0, 1, 1, 2, 3, 5, 8, 13, 23, 39, 69, 123, 219, 396, 719, 1313, 2406, 4435, 8215, 15260, 28431, 53167, 99774, 187615, 353500, 667874, 1264854, 2399207, 4557831, 8675836, 16544234, 31587644, 60382450, 115601178, 221625505, 425313967]

cp's OEIS Frontend

A068202 Next-to-middle coefficient in expansion of Product_{k=1..n} (1 + x^k).

Table of values

List of values