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A034870 as a simple table

na(n)
01
11
22
31
41
54
66
74
81
91
106
1115
1220
1315
146
151
161
178
1828
1956
2070
2156
2228
238
241
251
2610
2745
28120
29210
30252
31210
32120
3345
3410
351
361
3712
3866
39220
40495
41792
42924
43792
44495
45220
4666
4712
481
491
5014
5191
52364
531001
542002
553003
563432
573003
582002
591001
60364
6191
6214
631

[1,1,2,1,1,4,6,4,1,1,6,15,20,15,6,1,1,8,28,56,70,
 56,28,8,1,1,10,45,120,210,252,210,120,45,10,1,1,
 12,66,220,495,792,924,792,495,220,66,12,1,1,14,91,
 364,1001,2002,3003,3432,3003,2002,1001,364,91,14,
 1]