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A031015 as a simple table

na(n)
11
22
33
44
55
66
720
88
91
1012
1114
1216
1318
1434
1511
1624
172
1828
1930
2032
2148
2213
2327
2440
253
2644
2746
2862
2915
3029
3143
3256
334
3460
3576
3617
3731
3845
3959
4072
415
426
4319
4433
4547
4661
4775
4888
49237
5094
5120
52153
53174
54195
55216
5693
578
589
59119
60122
61125
62128
6396

[1,2,3,4,5,6,20,8,1,12,14,16,18,34,11,24,2,28,30,
 32,48,13,27,40,3,44,46,62,15,29,43,56,4,60,76,17,
 31,45,59,72,5,6,19,33,47,61,75,88,237,94,20,153,
 174,195,216,93,8,9,119,122,125,128,96]