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A107778 as a simple table

na(n)
17
217
31
410
50
620
72
812
911
1013
113
1223
1321
1414
154
1624
1722
1825
195
2015
2116
226
2326
2427
2528
268
2718
2819
299
3029
3132
3230
3331
3433
3534
3635
3736
3837
3938
4039
4143
4240
4341
4442
4544
4645
4746
4847
4948
5049
5154
5250
5351
5452
5553
5655
5756
5857
5958
6059
6165
6260
6361
6462
6563
6664
6766
6867
6968
7069
7176
7270

[7,17,1,10,0,20,2,12,11,13,3,23,21,14,4,24,22,25,
 5,15,16,6,26,27,28,8,18,19,9,29,32,30,31,33,34,35,
 36,37,38,39,43,40,41,42,44,45,46,47,48,49,54,50,
 51,52,53,55,56,57,58,59,65,60,61,62,63,64,66,67,
 68,69,76,70]