# A179306 (b-file synthesized from sequence entry) 0 1 1 1 2 5 3 10 4 40 5 67 6 262 7 449 8 1572 9 2915 10 8876 11 16452 12 51811 13 93789 14 271500 15 518378 16 1457658 17 2734005 18 7584475 19 14282412 20 38649578 21 73773173 22 193491639 23 369696321 24 971226618 25 1845956358 26 4730626121 27 9114534520 28 23083308650 29 44287157822