login

A170831 as a simple table

na(n)
22
32
44
54
610
78
820
920
1040
1140
1288
1380
14176
15176
16352
17352
18736
19704
201472
211472
222944
232944
246016
255888
2612032
2712032
2824064
2924064
3048640
3148128
3297280
3397280
34194560
35194560
36391168
37389120
38782336
39782336
401564672
411564672
423137536
433129344
446275072

[2,2,4,4,10,8,20,20,40,40,88,80,176,176,352,352,
 736,704,1472,1472,2944,2944,6016,5888,12032,12032,
 24064,24064,48640,48128,97280,97280,194560,194560,
 391168,389120,782336,782336,1564672,1564672,
 3137536,3129344,6275072]