# A061285 (b-file synthesized from sequence entry)
2 2
3 4
4 8
5 32
6 64
7 256
8 512
9 2048
10 16384
11 32768
12 262144
13 1048576
14 2097152
15 8388608
16 67108864
17 536870912
18 1073741824
19 8589934592
20 34359738368
21 68719476736
22 549755813888
23 2199023255552
24 17592186044416
25 281474976710656
26 1125899906842624
27 2251799813685248