login

A073438 as a simple table

na(n)
20
30
41
51
62
72
83
90
101
110
121
130
141
152
163
172
183
192
203
214
225
234
245
256
267
278
280
298
309
318
329
3310
340
351
362
370
381
392
403
411
422
430
441
452
463
471
482
493
504
515
526
534
545
556
567
578
589
597
608
616
627
638
649
6510
6611
679
6810
6911
7012
7110
7211
739
7410
7511
7612
7713
7814
7912
8013
8114
8215
8313
8414
8515
8616
8717
8818
8916
9017
9118

[0,0,1,1,2,2,3,0,1,0,1,0,1,2,3,2,3,2,3,4,5,4,5,6,
 7,8,0,8,9,8,9,10,0,1,2,0,1,2,3,1,2,0,1,2,3,1,2,3,
 4,5,6,4,5,6,7,8,9,7,8,6,7,8,9,10,11,9,10,11,12,10,
 11,9,10,11,12,13,14,12,13,14,15,13,14,15,16,17,18,
 16,17,18]