# A200078 (b-file synthesized from sequence entry) 1 1 2 5 3 9 4 17 5 27 6 37 7 85 8 169 9 151 10 219 11 533 12 1553 13 2333 14 4197 15 2607 16 2419 17 6343 18 25235 19 55337 20 113875 21 35671