A096441 - cp's OEIS frontend

A096441 Number of palindromic and unimodal compositions of n. Equivalently, the number of orbits under conjugation of even nilpotent n X n matrices.

n	a(n)
1	1
2	2
3	2
4	4
5	3
6	7
7	5
8	11
9	8
10	17
11	12
12	26
13	18
14	37
15	27
16	54
17	38
18	76
19	54
20	106
21	76
22	145
23	104
24	199
25	142
26	266
27	192
28	357
29	256
30	472
31	340
32	621
33	448
34	809
35	585
36	1053
37	760
38	1354
39	982
40	1740
41	1260
42	2218
43	1610
44	2818
45	2048
46	3559
47	2590
48	4485
49	3264
50	5616
51	4097
52	7018
53	5120
54	8728
55	6378

[1, 2, 2, 4, 3, 7, 5, 11, 8, 17, 12, 26, 18, 37, 27, 54, 38, 76, 54, 106, 76, 145, 104, 199, 142, 266, 192, 357, 256, 472, 340, 621, 448, 809, 585, 1053, 760, 1354, 982, 1740, 1260, 2218, 1610, 2818, 2048, 3559, 2590, 4485, 3264, 5616, 4097, 7018, 5120, 8728, 6378]

cp's OEIS Frontend

A096441 Number of palindromic and unimodal compositions of n. Equivalently, the number of orbits under conjugation of even nilpotent n X n matrices.

Table of values

List of values