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A365976 as a simple table

na(n)
01
11
22
36
424
5144
61008
78064
872576
9766080
108934912
11113895936
121573254144
1323864924160
14389247344640
156786673496064
16125855767166976
172492616008171520
1852243870155079680
191154797100239749120
2026835102086208159744
21656159502089355264000

[1,1,2,6,24,144,1008,8064,72576,766080,8934912,
 113895936,1573254144,23864924160,389247344640,
 6786673496064,125855767166976,2492616008171520,
 52243870155079680,1154797100239749120,
 26835102086208159744,656159502089355264000]