# A129961 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 8 5 15 6 26 7 42 8 64 9 94 10 140 11 232 12 464 13 1092 14 2744 15 6840 16 16384 17 37384 18 81296 19 169120 20 338240 21 654192 22 1232288 23 2280864 24 4194304 25 7761376 26 14635712 27 28384384 28 56768768 29 116566080 30 243472256 31 511907712 32 1073741824 33 2232713344