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A055448 as a simple table

na(n)
11
22
33
41
54
65
76
81
92
107
111
123
132
141
154
161
175
182
193
201
216
221
232
244
257
263
271
282
291
305
311
323
334
342
356
361
371
382
397
403
415
421
434
441
452
461
473
486
492
501
514
525
531
542
553
567
571
581
592
604
616
623
631
645
652
661
671
683
692
704
717
721
731
745
756
762
773
781
794
802
811
821
833
842
851
865
877
886
891
904
912
923
931
941
952
965
971
983
994
1002
1011
1026
1037
1041
1053

[1,2,3,1,4,5,6,1,2,7,1,3,2,1,4,1,5,2,3,1,6,1,2,4,
 7,3,1,2,1,5,1,3,4,2,6,1,1,2,7,3,5,1,4,1,2,1,3,6,2,
 1,4,5,1,2,3,7,1,1,2,4,6,3,1,5,2,1,1,3,2,4,7,1,1,5,
 6,2,3,1,4,2,1,1,3,2,1,5,7,6,1,4,2,3,1,1,2,5,1,3,4,
 2,1,6,7,1,3]