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A073049 as a simple table

na(n)
12
23
328
45
50
67
7225
8153
9640
1011
116348
1213
1319474560
140
15976
1617
171225
1819
191521
2081
210
2223
23343000
2449
252601
262133
273025
2829
291495296000
3031
3120063232
324225
3315262600
344761
3519236456
3637
3725462407801600
385929
3934633600
4041
410
4243
437569
44356445
458281

[2,3,28,5,0,7,225,153,640,11,6348,13,19474560,0,
 976,17,1225,19,1521,81,0,23,343000,49,2601,2133,
 3025,29,1495296000,31,20063232,4225,15262600,4761,
 19236456,37,25462407801600,5929,34633600,41,0,43,
 7569,356445,8281]