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A280499 as a simple table

na(n)
11
22
31
43
50
61
74
82
90
101
115
120
133
140
151
166
173
182
190
200
211
227
230
240
250
260
270
281
298
304
310
322
330
340
350
361
379
380
397
400
410
420
433
440
451
4610
475
486
490
502
513
520
530
540
551
5611
570
580
590
600
610
620
630
640
650
661
6712
686
694
703
710
722
730
740
750
760
770
781
7913
800
810
820
830
840
850
860
870
880
890
900
911
9214
937
940
950
960
970
982
990
1000
1010
1020
1030
1040
1051
10615
1070
1085
1090
1103
1110
1120
1130
1140
1150
1160
1170
1180
1190
1201

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