# A032176 (b-file synthesized from sequence entry) 1 1 2 1 3 3 4 6 5 15 6 34 7 82 8 193 9 464 10 1111 11 2683 12 6482 13 15730 14 38232 15 93177 16 227458 17 556323 18 1362639 19 3342504 20 8209130 21 20185204 22 49684404 23 122413446 24 301870406 25 745019874 26 1840103575 27 4548008306 28 11248190948