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A220328 as a simple table

na(n)
11
21
31
42
54
61
74
816
912
101
117
1248
1392
1437
151
1612
17174
18572
19508
20114
211
2221
23658
244062
256657
262788
27351
281
2937
302482
3129467
3292093
3376627
3415316
351081
361
3765
389229
39213225
401335202
412065264
42876714
4384196
443329
451
46114
4733982
481540686
4918836493
5059893608

[1,1,1,2,4,1,4,16,12,1,7,48,92,37,1,12,174,572,
 508,114,1,21,658,4062,6657,2788,351,1,37,2482,
 29467,92093,76627,15316,1081,1,65,9229,213225,
 1335202,2065264,876714,84196,3329,1,114,33982,
 1540686,18836493,59893608]