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A025654 as a simple table

na(n)
10
21
30
42
51
60
73
82
91
104
110
123
132
145
151
164
170
183
196
202
215
221
234
240
257
263
276
282
295
301
318
324
330
347
353
366
372
389
395
401
418
424
430
447
453
4610
476
482
499
505
511
528
534
540
5511
567
573
5810
596
602
619
625
631
6412
658
664
670
6811
697
703
7110
726
732
7413
759
765
771
7812
798
804
810
8211
837
843
8514
8610
876
882
8913
909
915
921
9312
948
954
9615
970
9811
997
1003

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