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A280051 as a simple table

na(n)
20
30
40
50
60
70
80
93
100
110
120
130
140
150
160
170
180
190
200
2113
220
230
2422
250
260
2715
2811
290
300
3111
320
330
347
3512
360
370
380
390
400
410
4224
4313
440
450
460
470
480
490
500
510
5214
530
540
5527
560
570
5829
590
600
610
6215
630
640
6529
6629
670
680
6915
700
710
7218
7316
740
750
7631
7731
7834
790
800
8116

[0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,13,0,0,22,
 0,0,15,11,0,0,11,0,0,7,12,0,0,0,0,0,0,24,13,0,0,0,
 0,0,0,0,0,14,0,0,27,0,0,29,0,0,0,15,0,0,29,29,0,0,
 15,0,0,18,16,0,0,31,31,34,0,0,16]