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A249142 as a simple table

na(n)
10
22
30
40
50
61
72
80
90
103
114
120
131
142
150
160
171
182
193
204
210
221
232
240
250
266
270
281
292
303
314
320
331
342
350
360
374
385
396
400
411
422
433
444
450
461
472
480
490
502
513
524
535
546
550
561
572
583
594
600
611
622
630
640
650
661
672
683
694
705
716
720
731
742
753
764
770
781
792
800
810
827
838
840
851
862
873
884
895
906
910
921
932
943
954
960
971
982
990
1000

[0,2,0,0,0,1,2,0,0,3,4,0,1,2,0,0,1,2,3,4,0,1,2,0,
 0,6,0,1,2,3,4,0,1,2,0,0,4,5,6,0,1,2,3,4,0,1,2,0,0,
 2,3,4,5,6,0,1,2,3,4,0,1,2,0,0,0,1,2,3,4,5,6,0,1,2,
 3,4,0,1,2,0,0,7,8,0,1,2,3,4,5,6,0,1,2,3,4,0,1,2,0,
 0]