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A133179 as a simple table

na(n)
01
11
21
33
41
53
65
715
81
93
105
1115
1217
1351
1485
15255
161
173
185
1915
2017
2151
2285
23255
24257
25771
261285
273855
284369
2913107
3021845
3165535
321
333
345
3515
3617
3751
3885
39255
40257
41771
421285
433855
444369
4513107
4621845
4765535

[1,1,1,3,1,3,5,15,1,3,5,15,17,51,85,255,1,3,5,15,
 17,51,85,255,257,771,1285,3855,4369,13107,21845,
 65535,1,3,5,15,17,51,85,255,257,771,1285,3855,
 4369,13107,21845,65535]