# A360810 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 5 5 11 6 29 7 81 8 229 9 696 10 2181 11 7045 12 23653 13 81433 14 288173 15 1046814 16 3887749 17 14768783 18 57275541 19 226462801 20 912443397 21 3741515804 22 15603500797 23 66134448329 24 284660214181 25 1243605590897 26 5511058189989 27 24760003963802 28 112726590916645