# A074714 (b-file synthesized from sequence entry)
1 3
2 7
3 47
4 127
5 1087
6 2207
7 4481
8 21503
9 34303
10 119809
11 524287
12 65241089
13 167772161
14 1811939329
15 2147483647
16 3758096383
17 16074670081
18 73327699969
19 186812208641
20 206158430209
21 2142130536449
22 2878401282049
23 5703716569087
24 15868293545983
25 274367023939583