login

A270813 as a simple table

na(n)
22
33
45
56
68
79
810
911
1017
1113
1221
1321
1424
1526
1622
1717
1830
1937
2050
2123
2216
2353
2455
2512
2661

[2,3,5,6,8,9,10,11,17,13,21,21,24,26,22,17,30,37,
 50,23,16,53,55,12,61]