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A371117 as a simple table

na(n)
01
10
22
33
432
5210
62184
726460
8373344
96150816
10113958720
112362345920
1254094694400
131355708296800
1436926213869440
151085886303989760
1634291129916574720
171157362522046277120
1841576054625791078400
191583864892141097098240
2063779322541075124428800

[1,0,2,3,32,210,2184,26460,373344,6150816,
 113958720,2362345920,54094694400,1355708296800,
 36926213869440,1085886303989760,34291129916574720,
 1157362522046277120,41576054625791078400,
 1583864892141097098240,63779322541075124428800]