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A324821 as a simple table

na(n)
10
23
37
45
515
610
731
88
911
1019
1163
1221
13127
1446
1530
1616
17255
1827
19511
2044
2163
2278
231023
2440
2519
26170
2716
2865
292047
3038
314095
3232
3378
34334
3558
3648
378191
38766
39236
4064
4116383
42110
4332767
44177
4549
461246
4765535
4880
4935
5051
51260
52341
53131071
5448
55107
56176
571004
582794
59262143
60104
61524287
625454
6380
6464
65142
66219
671048575
68641
691278
70110

[0,3,7,5,15,10,31,8,11,19,63,21,127,46,30,16,255,
 27,511,44,63,78,1023,40,19,170,16,65,2047,38,4095,
 32,78,334,58,48,8191,766,236,64,16383,110,32767,
 177,49,1246,65535,80,35,51,260,341,131071,48,107,
 176,1004,2794,262143,104,524287,5454,80,64,142,
 219,1048575,641,1278,110]