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A140187 as a simple table

na(n)
01
12
23
33
45
53
66
73
810
95
106
113
1213
133
146
155
1624
173
1813
193
2013
216
226
233
2433
255
266
2710
2812
293
3014
313
3275
335
346
355
3634
373
386
396
4032
413
4217
433
4412
459
466
473
4899
495
5013
515
5213
533
5433
556
5630
576
586
593
6039
613
626
6312
64342
655
6614
673
6813
695
7014
713
72104
733
746
7510
7612
775
7817
793
8098
8125
826
833
8443
855
866
875
8829

[1,2,3,3,5,3,6,3,10,5,6,3,13,3,6,5,24,3,13,3,13,6,
 6,3,33,5,6,10,12,3,14,3,75,5,6,5,34,3,6,6,32,3,17,
 3,12,9,6,3,99,5,13,5,13,3,33,6,30,6,6,3,39,3,6,12,
 342,5,14,3,13,5,14,3,104,3,6,10,12,5,17,3,98,25,6,
 3,43,5,6,5,29]