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A249790 as a simple table

na(n)
01
11
21
31
41
53
64
73
81
91
106
1114
1218
1314
146
151
161
1710
1839
1980
20100
2180
2239
2310
241
251
2615
2790
28285
29539
30660
31539
32285
3390
3415
351
361
3721
38181
39840
402339
414179
425038
434179
442339
45840
46181
4721
481
491
5028
51329
522128
538400
5421392
5536630
5643624
5736630
5821392
598400
602128
61329
6228
631
641
6536
66554
674788
6825753
6990720
70216166
71358056
72422252

[1,1,1,1,1,3,4,3,1,1,6,14,18,14,6,1,1,10,39,80,
 100,80,39,10,1,1,15,90,285,539,660,539,285,90,15,
 1,1,21,181,840,2339,4179,5038,4179,2339,840,181,
 21,1,1,28,329,2128,8400,21392,36630,43624,36630,
 21392,8400,2128,329,28,1,1,36,554,4788,25753,
 90720,216166,358056,422252]