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A178601 as a simple table

na(n)
20
30
41
50
66
70
81
93
107
110
1215
130
148
154
169
170
1811
190
2014
211
2210
230
2455
256
2615
271
2828
290
3054
310
321
339
3422
351
3617
370
3814
391
4043
410
4266
430
4450
4515
4616
470
4864
497
501
5111
5226
530
5478
551
5663
571
5831
590
60172
610
6220
631
6441
651
6690
670
6832
6913
7040
710
7245
730
7450
758
7663
771
78144
790
8056
8150
8240
830
84196
851
8626
8715
8876
890
90259
9111
9264
9313
9443
956
96236
970

[0,0,1,0,6,0,1,3,7,0,15,0,8,4,9,0,11,0,14,1,10,0,
 55,6,15,1,28,0,54,0,1,9,22,1,17,0,14,1,43,0,66,0,
 50,15,16,0,64,7,1,11,26,0,78,1,63,1,31,0,172,0,20,
 1,41,1,90,0,32,13,40,0,45,0,50,8,63,1,144,0,56,50,
 40,0,196,1,26,15,76,0,259,11,64,13,43,6,236,0]