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A288664 as a simple table

na(n)
01
11
24
33
424
57
6112
715
8480
931
101984
1163
128064
13127
1432512
15255
16130560
17511
18523264
191023
202095104
212047
228384512
234095
2433546240
258191
26134201344
2716383
28536838144
2932767
302147418112
3165535
328589803520
33131071
3434359476224
35262143
36137438429184

[1,1,4,3,24,7,112,15,480,31,1984,63,8064,127,
 32512,255,130560,511,523264,1023,2095104,2047,
 8384512,4095,33546240,8191,134201344,16383,
 536838144,32767,2147418112,65535,8589803520,
 131071,34359476224,262143,137438429184]