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A264638 as a simple table

na(n)
11
21
31
42
53
61
74
828
916
101
1112
12400
13960
14128
152
1636
177776
18107568
1946656
201152
214
22144
23229392
2421565440
2571663616
264561920
2712960
288
29576
309082368
3110027929600
32229132800000
3398288640000
34829440000
35269568
3616
372880
38481406976

[1,1,1,2,3,1,4,28,16,1,12,400,960,128,2,36,7776,
 107568,46656,1152,4,144,229392,21565440,71663616,
 4561920,12960,8,576,9082368,10027929600,
 229132800000,98288640000,829440000,269568,16,2880,
 481406976]