# A108474 (b-file synthesized from sequence entry) 0 1 1 2 2 0 3 0 4 16 5 32 6 0 7 0 8 256 9 512 10 0 11 0 12 4096 13 8192 14 0 15 0 16 65536 17 131072 18 0 19 0 20 1048576 21 2097152 22 0 23 0 24 16777216 25 33554432 26 0 27 0 28 268435456 29 536870912 30 0 31 0 32 4294967296 33 8589934592 34 0 35 0 36 68719476736 37 137438953472 38 0 39 0 40 1099511627776