# A036885 (b-file synthesized from sequence entry) 1 1 2 3 3 7 4 17 5 40 6 94 7 212 8 464 9 980 10 2010 11 4011 12 7820 13 14927 14 27968 15 51519 16 93450 17 167106 18 294902 19 514054 20 885804 21 1509945 22 2547768 23 4257734 24 7050954 25 11576404 26 18851628 27 30461253 28 48857762 29 77813497 30 123097971 31 193485805 32 302251865 33 469376012