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A013620 as a simple table

na(n)
01
12
23
34
412
59
68
736
854
927
1016
1196
12216
13216
1481
1532
16240
17720
181080
19810
20243
2164
22576
232160
244320
254860
262916
27729
28128
291344
306048
3115120
3222680
3320412
3410206
352187
36256
373072
3816128
3948384
4090720
41108864
4281648
4334992
446561
45512

[1,2,3,4,12,9,8,36,54,27,16,96,216,216,81,32,240,
 720,1080,810,243,64,576,2160,4320,4860,2916,729,
 128,1344,6048,15120,22680,20412,10206,2187,256,
 3072,16128,48384,90720,108864,81648,34992,6561,
 512]