# A238940 (b-file synthesized from sequence entry) 1 1 2 4 3 16 4 64 5 256 6 16384 7 65536 8 262144 9 16777216 10 268435456 11 4294967296 12 17179869184 13 68719476736 14 4722366482869645213696 15 75557863725914323419136 16 77371252455336267181195264