A375446 - OEIS

A375446 as a simple table

n	a(n)
0	1
1	1
2	2
3	2
4	5
5	13
6	6
7	16
8	43
9	116
10	24
11	66
12	182
13	503
14	1393
15	120
16	336
17	942
18	2644
19	7429
20	20894
21	720
22	2040
23	5784
24	16410
25	46586
26	132329
27	376093
28	5040
29	14400
30	41160
31	117696
32	336678
33	963448
34	2758015
35	7897952
36	40320
37	115920
38	333360
39	958920
40	2759064
41	7940514
42	22858094
43	65816267
44	189550849

[1,1,2,2,5,13,6,16,43,116,24,66,182,503,1393,120, 336,942,2644,7429,20894,720,2040,5784,16410,46586, 132329,376093,5040,14400,41160,117696,336678, 963448,2758015,7897952,40320,115920,333360,958920, 2759064,7940514,22858094,65816267,189550849]

[1,1,2,2,5,13,6,16,43,116,24,66,182,503,1393,120,
 336,942,2644,7429,20894,720,2040,5784,16410,46586,
 132329,376093,5040,14400,41160,117696,336678,
 963448,2758015,7897952,40320,115920,333360,958920,
 2759064,7940514,22858094,65816267,189550849]