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A103153 as a simple table

na(n)
10
20
30
43
53
63
75
83
93
105
113
123
135
143
157
165
173
183
195
205
213
227
233
243
255
263
277
285
293
307
315
323
333
345
355
363
377
383
393
405
415
423
437
443
4519
465
473
487
495
5011
513
5211
533
543
555
563
573
585
593
607
615
6211
637
6411
6511
663
6711
683
6913
705
713
723
735
745
757
767
773
783
795
805
813
827
835
843
857
863
8713
885
893
907
915
923
933
945
955
967
977
983

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