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A378201 as a simple table

na(n)
20
30
43
53
65
73
83
95
103
113
125
133
145
157
163
173
185
197
203
215
223
233
245
253
265
277
283
295
307
313
323
335
347
353
365
373
383
395
407
413
425
433
445
457
463
475
487
4919
503
515
523
533
545
553
563
575
583
595
607
6113
6211
6313
6419
653
665
673
685
697
703
713
725
737
7411
7511
763
773
785
797
803
815
827
833
845
853
865
877
883
895
907
913
923
935
947
9511
9611
973
983
995

[0,0,3,3,5,3,3,5,3,3,5,3,5,7,3,3,5,7,3,5,3,3,5,3,
 5,7,3,5,7,3,3,5,7,3,5,3,3,5,7,3,5,3,5,7,3,5,7,19,
 3,5,3,3,5,3,3,5,3,5,7,13,11,13,19,3,5,3,5,7,3,3,5,
 7,11,11,3,3,5,7,3,5,7,3,5,3,5,7,3,5,7,3,3,5,7,11,
 11,3,3,5]