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A235321 as a simple table

na(n)
01
11
22
310
456
5496
64592
758240
8753536
912428416
10206700032
114194910720
1285291222016
132054623707136
1449390297628672
151376983620812800
1638210541166493696
171209980100295622656
1838070418025153626112
191349585751030491054080
2047479274652991633227776

[1,1,2,10,56,496,4592,58240,753536,12428416,
 206700032,4194910720,85291222016,2054623707136,
 49390297628672,1376983620812800,38210541166493696,
 1209980100295622656,38070418025153626112,
 1349585751030491054080,47479274652991633227776]