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A274021 as a simple table

na(n)
10
20
30
40
52
60
73
80
92
103
112
120
132
143
150
160
172
185
192
200
215
227
235
240
252
265
272
283
292
300
313
320
332
343
3519
3611
372
383
3917
400
412
425
432
447
4514
465
475
480
493
503
510
5223
532
545
5519
5631
572
583
592
600
612
623
635
640
652
6617
672
680
695
7019
717
7223
733
743
7514
763
776
7817
793
800
812
823
832
8447
8513
863
875
887
893
9029
9110

[0,0,0,0,2,0,3,0,2,3,2,0,2,3,0,0,2,5,2,0,5,7,5,0,
 2,5,2,3,2,0,3,0,2,3,19,11,2,3,17,0,2,5,2,7,14,5,5,
 0,3,3,0,23,2,5,19,31,2,3,2,0,2,3,5,0,2,17,2,0,5,
 19,7,23,3,3,14,3,6,17,3,0,2,3,2,47,13,3,5,7,3,29,
 10]