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A071448 as a simple table

na(n)
11
21
32
42
53
60
74
81
91
102
115
123
132
144
151
161
175
185
196
200
213
221
232
245
251
264
278
281
294
302
311
329
336
347
354
362
372
381
396
408
417
429
432
441
453
462
478
487
492
508
515
524
5310
543
554
560
578
589
596
605
611
624
6310
6413
659
666
671
6811
692
700
713
726
738
745
759
764
773
783
794
8010
815
822
838
847
854
864
875
881
892
908
919
924
933
945
9511
9610
9710
9811
994
1007

[1,1,2,2,3,0,4,1,1,2,5,3,2,4,1,1,5,5,6,0,3,1,2,5,
 1,4,8,1,4,2,1,9,6,7,4,2,2,1,6,8,7,9,2,1,3,2,8,7,2,
 8,5,4,10,3,4,0,8,9,6,5,1,4,10,13,9,6,1,11,2,0,3,6,
 8,5,9,4,3,3,4,10,5,2,8,7,4,4,5,1,2,8,9,4,3,5,11,
 10,10,11,4,7]