# A259031 (b-file synthesized from sequence entry) 0 3 1 1 2 16 3 192 4 768 5 3072 6 12288 7 49152 8 196608 9 786432 10 3145728 11 12582912 12 50331648 13 201326592 14 805306368 15 3221225472 16 12884901888 17 51539607552