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A259878 as a simple table

na(n)
01
12
23
35
410
528
625
737
810
920
1015
1138
1219
1342
1436
1534
162
1735
1839
1931
2013
212
226
2326
2428
2529
264
2714
2842
295
3020
3117
324
3320
3416
3529
3642
3713
3842
3920
408
4123
4233

[1,2,3,5,10,28,25,37,10,20,15,38,19,42,36,34,2,35,
 39,31,13,2,6,26,28,29,4,14,42,5,20,17,4,20,16,29,
 42,13,42,20,8,23,33]