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A004200 as a simple table

na(n)
00
12
25
33
43
51
63
75
83
91
105
113
121
133
143
155
163
171
185
193
203
211
223
235
241
253
265
273
281
293
303
315
323
331
345
353
363
371
383
395
403
411
425
433
441
453
463
475
481
493
505
513
523
531
543
555
561
573
585
593
601
613
623
635
643
651
665
673
683
691
703
715
723
731
745
753
761
773
783
795
803
811
825
833
843
851
863
875
881
893
905
913
921
933
943
955
961
973
985
993
1003
1011
1023
1035
1043

[0,2,5,3,3,1,3,5,3,1,5,3,1,3,3,5,3,1,5,3,3,1,3,5,
 1,3,5,3,1,3,3,5,3,1,5,3,3,1,3,5,3,1,5,3,1,3,3,5,1,
 3,5,3,3,1,3,5,1,3,5,3,1,3,3,5,3,1,5,3,3,1,3,5,3,1,
 5,3,1,3,3,5,3,1,5,3,3,1,3,5,1,3,5,3,1,3,3,5,1,3,5,
 3,3,1,3,5,3]