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A331451 as a simple table

na(n)
31
44
50
610
70
81
918
106
110
120
1335
147
157
160
171
1856
1924
200
210
220
230
2490
2536
2618
279
280
290
301
31120
3290
3310
340
350
360
370
380
39176
40132
4144
4222
430
440
450
460
471
48276
49168
500
510
520
530
540
550
560
570
58377
59234
60117
6139
620
6313
640
650
660
670
681
69476
70378
7198
720
730
740
750
760
770
780
790
800
81585
82600
83150
84105
8515
860
870
880
890
900
910
920
931
94848
95672
96128
9748
980
990
1000
1010
1020
1030
1040
1050
1060
1070

[1,4,0,10,0,1,18,6,0,0,35,7,7,0,1,56,24,0,0,0,0,
 90,36,18,9,0,0,1,120,90,10,0,0,0,0,0,176,132,44,
 22,0,0,0,0,1,276,168,0,0,0,0,0,0,0,0,377,234,117,
 39,0,13,0,0,0,0,1,476,378,98,0,0,0,0,0,0,0,0,0,
 585,600,150,105,15,0,0,0,0,0,0,0,1,848,672,128,48,
 0,0,0,0,0,0,0,0,0,0]