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A060725 as a simple table

na(n)
01
11
22
36
424
596
6576
74032
832256
9290304
102975616
1132731776
12392781312
135106157056
1471486198784
151070549415936
1617128790654976
17291189441134592
185241409940422656
1999586788868030464
201991897970827821056
2141829857387384242176
22920256862522453327872

[1,1,2,6,24,96,576,4032,32256,290304,2975616,
 32731776,392781312,5106157056,71486198784,
 1070549415936,17128790654976,291189441134592,
 5241409940422656,99586788868030464,
 1991897970827821056,41829857387384242176,
 920256862522453327872]