# A085395 (b-file synthesized from sequence entry) 1 1 2 2 3 5 4 12 5 17 6 80 7 257 8 1365 9 2987 10 4352 11 20395 12 45142 13 65537 14 372827 15 16469925 16 16842752 17 83840933 18 100683685 19 285208303 20 1241516897 21 1526725200 22 2768242097 23 4294967297 24 24243078582 25 343698067445 26 367941146027 27 18740755368795