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A249821 as a simple table

na(n)
11
22
31
43
52
61
74
83
92
101
115
125
133
142
151
166
174
185
193
202
211
227
237
247
255
263
272
281
298
3011
3111
327
335
343
352
361
379
386
3913
4011
417
425
433
442
451
4610
4713
4817
4913
5011
517
525
533
542
551
5611
5717
584
5917
6013
6111
627
635
643
652
661
6712
6810
6919
7019
7117
7213
7311
747
755
763
772
781
7913
8019
8123
8223
8319
8417
8513
8611
877
885
893
902
911
9214
939
946
9529
9623
9719
9817
9913
10011
1017
1025
1033
1042
1051
10615
1078
10829
10931
11029
11123
11219
11317
11413
11511
1167
1175
1183
1192
1201

[1,2,1,3,2,1,4,3,2,1,5,5,3,2,1,6,4,5,3,2,1,7,7,7,
 5,3,2,1,8,11,11,7,5,3,2,1,9,6,13,11,7,5,3,2,1,10,
 13,17,13,11,7,5,3,2,1,11,17,4,17,13,11,7,5,3,2,1,
 12,10,19,19,17,13,11,7,5,3,2,1,13,19,23,23,19,17,
 13,11,7,5,3,2,1,14,9,6,29,23,19,17,13,11,7,5,3,2,
 1,15,8,29,31,29,23,19,17,13,11,7,5,3,2,1]