# A109110 (b-file synthesized from sequence entry) 0 4 1 9 2 20 3 45 4 101 5 227 6 510 7 1146 8 2575 9 5786 10 13001 11 29213 12 65641 13 147494 14 331416 15 744685 16 1673292 17 3759853 18 8448313 19 18983187 20 42654834 21 95844542 22 215360731 23 483911170 24 1087338529 25 2443227497 26 5489882353 27 12335653674 28 27717962204