# A027173 (b-file synthesized from sequence entry) 1 5 2 30 3 123 4 472 5 1790 6 6794 7 25879 8 98952 9 379674 10 1461248 11 5638930 12 21811540 13 84542016 14 328287506 15 1276868111 16 4973645576 17 19398954626 18 75753497816 19 296142817406 20 1158865623236 21 4539024407576 22 17793358627976 23 69805770185498