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A057741 as a simple table

na(n)
11
21
31
43
51
63
72
81
95
100
112
121
135
140
150
164
171
187
192
200
210
222
231
247
250
260
270
280
296
301
319
320
332
340
350
360
374
381
399
402
410
420
430
440
450
466
471
4811
490
500
514
520
530
540
550
564
571
5811
590
600
610
620
630
640
650
660
6710
681
6913
702
712
720
732
740
750
760
770
780
794
801
8113
820
830
840
850
860
870
880
890
900
910
9212
931
9415
950
960
970
980
996
1000
1010

[1,1,1,3,1,3,2,1,5,0,2,1,5,0,0,4,1,7,2,0,0,2,1,7,
 0,0,0,0,6,1,9,0,2,0,0,0,4,1,9,2,0,0,0,0,0,6,1,11,
 0,0,4,0,0,0,0,4,1,11,0,0,0,0,0,0,0,0,10,1,13,2,2,
 0,2,0,0,0,0,0,4,1,13,0,0,0,0,0,0,0,0,0,0,12,1,15,
 0,0,0,0,6,0,0]