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A218876 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
100
112
120
130
140
150
160
170
180
190
200
210
224
230
240
250
260
270
280
292
302
310
320
330
340
350
360
376
380
390
400
410
420
430
440
450
466
470
480
490
500
510
520
530
540
550
5612
576
582
590
600
610
620
630
640
650
660
6710
682
690
700
710
720
730
740
750
760
770
780
7926
806
810
820
830
840
850
860
870
880
890
900
910

[0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,4,0,0,
 0,0,0,0,2,2,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,6,0,0,0,
 0,0,0,0,0,0,12,6,2,0,0,0,0,0,0,0,0,10,2,0,0,0,0,0,
 0,0,0,0,0,26,6,0,0,0,0,0,0,0,0,0,0,0]