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A049254 as a simple table

na(n)
16
27
33
411
510
66
78
87
96
105
111
123
132
141
150
1615
1715
1815
1915
2015
2115
2215
237
2415
2515
266
2715
2815
2910
3015
3111
327
333
3415
3515
3615
372
3810
3915
4015
416
4215
4315
444
4515
4614
4713
4812
4911
5010
519
528
537
546
555
564
573
582
591
600
6115
6215
6315
6415
6515
6615
6715
6815
6915
7015
711
7215
7315
746
7515
7615
7715
7815
7915
8015

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