login

A004840 as a simple table

na(n)
10
21
32
43
54
65
76
87
98
109
1110
1211
1316
1417
1518
1619
1720
1821
1922
2023
2124
2225
2326
2432
2533
2634
2735
2836
2937
3038
3139
3240
3341
3448
3549
3650
3751
3852
3953
4054
4155
4256
4364
4465
4566
4667
4768
4869
4970
5071
5180
5281
5382
5483
5584
5685
5786
5887

[0,1,2,3,4,5,6,7,8,9,10,11,16,17,18,19,20,21,22,
 23,24,25,26,32,33,34,35,36,37,38,39,40,41,48,49,
 50,51,52,53,54,55,56,64,65,66,67,68,69,70,71,80,
 81,82,83,84,85,86,87]