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A147994 as a simple table

na(n)
10
20
31
43
53
62
76
86
97
107
117
124
134
144
1513
1612
1713
1815
1915
2014
2114
2214
2314
248
2511
2611
278
288
298
308
312
320
330
342
356
363
372
387
396
407
415
425
434
444
454
464
474
488
494
5012
5111
5214
5313
5411
5511
5614
578
5811
598
608
618
628
634
640
659
667
673
680
695
704
716
727
734
745
754
765
7713
784
7912
8015
8114
8215
8315
8411
8514
8610
879
889
8911
908
918

[0,0,1,3,3,2,6,6,7,7,7,4,4,4,13,12,13,15,15,14,14,
 14,14,8,11,11,8,8,8,8,2,0,0,2,6,3,2,7,6,7,5,5,4,4,
 4,4,4,8,4,12,11,14,13,11,11,14,8,11,8,8,8,8,4,0,9,
 7,3,0,5,4,6,7,4,5,4,5,13,4,12,15,14,15,15,11,14,
 10,9,9,11,8,8]