# A038213 (b-file synthesized from sequence entry) 0 1 1 3 2 14 3 70 4 353 5 1782 6 8997 7 45425 8 229347 9 1157954 10 5846414 11 29518061 12 149034250 13 752461609 14 3799116465 15 19181424995 16 96845429254 17 488964567014 18 2468741680809 19 12464472679038 20 62932092237197 21 317738931708801