# A144520 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 0 4 1 5 2 6 5 7 10 8 22 9 46 10 105 11 234 12 550 13 1300 14 3158 15 7740 16 19319 17 48628 18 123866 19 317954 20 823064 21 2144504 22 5623755 23 14828073 24 39299896 25 104636889 26 279793449 27 751065459 28 2023443031 29 5469566584 30 14830871801 31 40330829029 32 109972410220 33 300628862479