login

A243354 as a simple table

na(n)
10
21
33
42
57
66
715
85
94
1014
1131
1213
1363
1430
1512
1610
17127
189
19255
2029
2128
2262
23511
2426
258
26126
2711
2861
291023
3025
312047
3221
3360
34254
3524
3618
374095
38510
39124
4058
418191
4257
4316383
44125
4527
461022
4732767
4853
4916
5017
51252
52253
5365535
5422
5556
56122
57508
582046
59131071

[0,1,3,2,7,6,15,5,4,14,31,13,63,30,12,10,127,9,
 255,29,28,62,511,26,8,126,11,61,1023,25,2047,21,
 60,254,24,18,4095,510,124,58,8191,57,16383,125,27,
 1022,32767,53,16,17,252,253,65535,22,56,122,508,
 2046,131071]