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A270030 as a simple table

na(n)
10
20
30
45
50
60
70
80
95
106
117
128
139
145
1511
166
1713
187
195
205
215
225
235
245
256
266
276
286
295
307
317
327
337
345
358
368
378
388
395
406
419
429
439
445
455
465
475
485
495
5011
5111
526
537
545
5512
5612
5712
586
595
606
616
626
636
645
656
6614
677
688
695
705
715
725
735
745
7516
766
777
787
795
807
817
826
837
845
859
8618
8718
886
895
9019

[0,0,0,5,0,0,0,0,5,6,7,8,9,5,11,6,13,7,5,5,5,5,5,
 5,6,6,6,6,5,7,7,7,7,5,8,8,8,8,5,6,9,9,9,5,5,5,5,5,
 5,11,11,6,7,5,12,12,12,6,5,6,6,6,6,5,6,14,7,8,5,5,
 5,5,5,5,16,6,7,7,5,7,7,6,7,5,9,18,18,6,5,19]