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A019140 as a simple table

na(n)
31
41
50
62
70
810
920
10100
11210
12530
13974
142548
155654
1615378
1737662
18100702
19248970
20648082
211625344
224221578
2310746294
2427964310
2572059274
26188226426
27488925522
281280741934
293346300256
308791335140
3123076212174
3260806053482

[1,1,0,2,0,10,20,100,210,530,974,2548,5654,15378,
 37662,100702,248970,648082,1625344,4221578,
 10746294,27964310,72059274,188226426,488925522,
 1280741934,3346300256,8791335140,23076212174,
 60806053482]