A345332 - OEIS

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A345332 as a simple table

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	1
6	6
7	14
8	28
9	53
10	122
11	275
12	597
13	1203
14	2456
15	5111
16	10573
17	21662
18	44553
19	91246
20	185422
21	377264
22	765956
23	1552001
24	3140326
25	6349270
26	12825847
27	25891832

[0,0,0,0,1,1,6,14,28,53,122,275,597,1203,2456, 5111,10573,21662,44553,91246,185422,377264,765956, 1552001,3140326,6349270,12825847,25891832]