# A192021 (b-file synthesized from sequence entry) 0 0 1 1 2 10 3 68 4 392 5 2064 6 10272 7 49216 8 229504 9 1048832 10 4719104 11 20972544 12 92276736 13 402657280 14 1744838656 15 7516209152 16 32212287488 17 137439019008 18 584115683328 19 2473901424640 20 10445360988160 21 43980466159616 22 184717955563520 23 774056190148608