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A023931 as a simple table

na(n)
01
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
1940
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
36380
370
380
390
40380
410
420
430
440
450
460
470
480
490
500
512280
520
530
540
550
560
570
580
596840
600
610
620
630
649690
650
660
670
680
690
700
710
720
730
740
7531008
7638800
770
780
790
8029070

[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,40,0,0,0,0,
 0,0,0,0,0,0,0,0,0,0,0,0,380,0,0,0,380,0,0,0,0,0,0,
 0,0,0,0,2280,0,0,0,0,0,0,0,6840,0,0,0,0,9690,0,0,
 0,0,0,0,0,0,0,0,31008,38800,0,0,0,29070]