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A290542 as a simple table

na(n)
40
52
60
72
80
90
100
112
120
132
140
150
160
172
180
192
200
210
220
232
240
250
260
270
284
292
300
312
320
330
340
350
360
372
380
390
400
412
420
432
440
450
460
472
480
490
500
510
520
532
540
550
560
570
580
592
600
612
620
630
640
655
663
672
680
690
700
712
720
732
740
750
760
770
780
792
800
810
820
832
840
854
860
870
880
892
900

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