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A257920 as a simple table

na(n)
01
12
20
31
44
50
60
72
80
93
102
110
122
132
140
150
162
170
183
194
200
210
222
230
240
254
260
272
282
290
301
312
320
330
346
350
362
370
380
394
400
410
420
432
440
453
464
470
480
494
500
510
522
530
544
552
560
570
582
590
600
612
620
631
644
650
662
676
680
690
702
710
722
732
740
750
760
770
780
794
800
814
822
830
843
852
860

[1,2,0,1,4,0,0,2,0,3,2,0,2,2,0,0,2,0,3,4,0,0,2,0,
 0,4,0,2,2,0,1,2,0,0,6,0,2,0,0,4,0,0,0,2,0,3,4,0,0,
 4,0,0,2,0,4,2,0,0,2,0,0,2,0,1,4,0,2,6,0,0,2,0,2,2,
 0,0,0,0,0,4,0,4,2,0,3,2,0]