# A212739 (b-file synthesized from sequence entry)
0 0
1 1
2 15
3 511
4 65535
5 33554431
6 68719476735
7 562949953421311
8 18446744073709551615
9 2417851639229258349412351
10 1267650600228229401496703205375
11 2658455991569831745807614120560689151
12 22300745198530623141535718272648361505980415