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A234291 as a simple table

na(n)
01
11
24
334
4460
58608
6206152
76020992
8207574240
98251015264
10371527296256
1118691127602816
121039066330203520
1363253339835514112
144184830238170091008
15298985971407749744128
1622941517126450315985920
171881603821848104123344896
18164271703613261014954276864

[1,1,4,34,460,8608,206152,6020992,207574240,
 8251015264,371527296256,18691127602816,
 1039066330203520,63253339835514112,
 4184830238170091008,298985971407749744128,
 22941517126450315985920,1881603821848104123344896,
 164271703613261014954276864]