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A044938 as a simple table

na(n)
10
20
30
40
50
60
70
81
90
100
110
120
130
140
150
161
170
180
190
200
210
220
230
241
250
260
270
280
290
300
310
321
330
340
350
360
370
380
390
401
410
420
430
440
450
460
470
481
491
500
510
520
530
540
550
561
570
581
591
601
611
621
630
640
651
660
670
680
690
700
710
720
731
740
750
760
770
780
790
800
811
820
830
840
850
860
870
880
891
900

[0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,
 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,1,
 0,0,0,0,0,0,1,0,1,1,1,1,1,0,0,1,0,0,0,0,0,0,0,1,0,
 0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0]