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A072248 as a simple table

na(n)
21
31
42
51
67
74
81
920
1026
118
121
1354
14126
1576
1616
171
18143
19548
20504
21200
2232
231
24376
252259
262900
271656
28496
2964
301
31986
329034
3315506
3411528
354896
361184
37128
381
392583
4035469
4179354
4273172
4339552
4413536
452752
46256
471
486764
49137644
50394642
51439272
52285992
53123904
5435712
556272
56512

[1,1,2,1,7,4,1,20,26,8,1,54,126,76,16,1,143,548,
 504,200,32,1,376,2259,2900,1656,496,64,1,986,9034,
 15506,11528,4896,1184,128,1,2583,35469,79354,
 73172,39552,13536,2752,256,1,6764,137644,394642,
 439272,285992,123904,35712,6272,512]