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A081885 as a simple table

na(n)
18
25
33
48
518
68
75
86
95
106
113
126
137
145
151
166
174
186
193
204
212
226
232
247
253
262
274
286
292
305
311
328
3312
344
357
364
378
387
393
409
4110
425
433
449
455
466
471
483
4911
504
512
524
534
544
552
564
576
587
592
602
615
623
631
647
659
669
675
687
694
7013
714
725
736
748
756
7614
778
783
791
804
812
825
834
845
853
862
872
8810
892
905
913
9218
934
943
951
9611
974
987
997
1004
1015

[8,5,3,8,18,8,5,6,5,6,3,6,7,5,1,6,4,6,3,4,2,6,2,7,
 3,2,4,6,2,5,1,8,12,4,7,4,8,7,3,9,10,5,3,9,5,6,1,3,
 11,4,2,4,4,4,2,4,6,7,2,2,5,3,1,7,9,9,5,7,4,13,4,5,
 6,8,6,14,8,3,1,4,2,5,4,5,3,2,2,10,2,5,3,18,4,3,1,
 11,4,7,7,4,5]