A348800 - OEIS

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A348800 as a simple table

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	254118439668
15	52148049818864
16	5634797561708385
17	426497331688178676
18	25388940147173859412
19	1265623233919838264624
20	54940200059090328012148

[0,0,0,0,0,0,0,0,0,0,0,0,0,0,254118439668, 52148049818864,5634797561708385, 426497331688178676,25388940147173859412, 1265623233919838264624,54940200059090328012148]