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A009554 as a simple table

na(n)
11
22
336
4944
545136
63263072
7334656960
846199442176
98260388524288
101857027989588480
11512693973356712960
12170529221696594702336
1367257392621575577522176
1431036094843772953163063296

[1,2,36,944,45136,3263072,334656960,46199442176,
 8260388524288,1857027989588480,512693973356712960,
 170529221696594702336,67257392621575577522176,
 31036094843772953163063296]