# A291593 (b-file synthesized from sequence entry)
1 1
2 6
3 397
4 64627
5 33548446
6 68719441230
7 562949953224709
8 18446744073708514623
9 2417851639229258344134994
10 1267650600228229401496677070990
11 2658455991569831745807614120434011325
12 22300745198530623141535718272648360902487971