# A100938 (b-file synthesized from sequence entry) 0 1 1 2 2 5 3 10 4 22 5 46 6 97 7 200 8 412 9 844 10 1729 11 3536 12 7227 13 14754 14 30093 15 61312 16 124782 17 253664 18 515085 19 1044796 20 2117158 21 4286330 22 8671103 23 17529304 24 35416016 25 71518510 26 144362774 27 291299094 28 587617054 29 1185060666 30 2389424213