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A004531 as a simple table

na(n)
01
12
20
30
44
54
60
70
84
92
100
110
120
134
140
150
164
174
180
190
208
210
220
230
240
256
260
270
280
294
300
310
324
330
340
350
364
374
380
390
408
414
420
430
440
454
460
470
480
492
500
510
528
534
540
550
560
570
580
590
600
614
620
630
644
658
660
670
688
690
700
710
724
734
740
750
760
770
780
790
808
812
820
830
840
858
860
870
880
894
900
910
920
930
940
950
960
974
980
990
10012
1014
1020
1030
1048

[1,2,0,0,4,4,0,0,4,2,0,0,0,4,0,0,4,4,0,0,8,0,0,0,
 0,6,0,0,0,4,0,0,4,0,0,0,4,4,0,0,8,4,0,0,0,4,0,0,0,
 2,0,0,8,4,0,0,0,0,0,0,0,4,0,0,4,8,0,0,8,0,0,0,4,4,
 0,0,0,0,0,0,8,2,0,0,0,8,0,0,0,4,0,0,0,0,0,0,0,4,0,
 0,12,4,0,0,8]