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A049323 as a simple table

na(n)
01
11
21
31
43
53
61
76
816
916
101
1110
1250
13125
14125
151
1615
17120
18540
191296
201296
211
2221
23245
241715
257203
2616807
2716807
281
2928
30448
314480
3228672
33114688
34262144
35262144
361
3736
38756
3910206
4091854
41551124
422125764
434782969
444782969
451
4645
471200
4821000
49252000

[1,1,1,1,3,3,1,6,16,16,1,10,50,125,125,1,15,120,
 540,1296,1296,1,21,245,1715,7203,16807,16807,1,28,
 448,4480,28672,114688,262144,262144,1,36,756,
 10206,91854,551124,2125764,4782969,4782969,1,45,
 1200,21000,252000]