login

A152489 as a simple table

na(n)
10
20
30
40
50
60
70
81
90
100
110
122
130
140
150
163
170
180
191
200
210
220
231
241
250
260
271
282
290
300
311
323
330
340
352
360
370
380
392
401
410
420
432
442
450
460
472
483
490
501
510
520
530
541
550
561
570
581
590
602
610
621
630
643
650
661
671
680
690
701
711
721
730
741
751
762
770
781
791
803
810
821
832
840
850
861
872
881
890
901
912
922
930
941
952
963

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