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A280799 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
100
112
120
130
140
150
160
170
180
192
200
210
222
233
240
253
260
272
280
290
300
310
320
333
340
350
360
373
382
390
400
414
420
436
443
450
463
474
480
496
503
510
520
533
542
554
560
573
580
592
600
610
620
633
640
650
663
672
680
694
700
713
720
734
743
754
763
770
780
794
800
813
824
837
840
850
866
870
884
895
900
914
924
930
944
954
960
970
986
990
1004
1013
1020
1033
1040
1050
1063
1076
1083
1094

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