# A092203 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 7 4 21 5 47 6 128 7 303 8 754 9 1735 10 3989 11 8712 12 18687 13 38482 14 77421 15 150813 16 286925 17 531306 18 962637 19 1704506 20 2959412 21 5037606 22 8426351 23 13854300 24 22426944 25 35759968 26 56234440 27 87258555 28 133730542 29 202529129 30 303328391 31 449478982 32 659401717 33 958118335 34 1379571974 35 1969206260