# A090635 (b-file synthesized from sequence entry) 1 63 2 51 3 20 4 24 5 44 6 48 7 112 8 240 9 608 10 1552 11 3120 12 8144 13 16304 14 32624 15 65264 16 130544 17 264928 18 678448 19 1356912 20 4979232 21 19424016 22 58272480 23 226593936 24 763164288 25 3467499840 26 16339520448 27 65370077568 28 295266178368 29 1223245608192 30 6931725175296 31 40582548986112