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A255557 as a simple table

na(n)
11
22
33
45
54
67
76
810
98
1015
119
1211
1319
1416
1531
1612
1718
1822
1938
2032
2163
2213
2323
2435
2542
2674
2764
28127
2914
3025
3146
3270
3382
34146
35128
36255
3717
3826
3949
4089
41138
42162
43290
44256
45511
4620
4734
4850
4997
50176
51274
52322
53578
54512
551023
5621
5739
5867
5998
60193
61350
62546
63642
641154
651024
662047
6724
6841
6978
70134
71194
72385
73695
741090
751282
762306
772048
784095

[1,2,3,5,4,7,6,10,8,15,9,11,19,16,31,12,18,22,38,
 32,63,13,23,35,42,74,64,127,14,25,46,70,82,146,
 128,255,17,26,49,89,138,162,290,256,511,20,34,50,
 97,176,274,322,578,512,1023,21,39,67,98,193,350,
 546,642,1154,1024,2047,24,41,78,134,194,385,695,
 1090,1282,2306,2048,4095]