# A377148 (b-file synthesized from sequence entry) 0 1 1 4 2 14 3 60 4 225 5 796 6 2764 7 9304 8 30580 9 98700 10 313422 11 981548 12 3037473 13 9301620 14 28222000 15 84927760 16 253699285 17 752863840 18 2220831160 19 6515581600 20 19021079866 21 55276625304 22 159967084164 23 461150383400 24 1324652146775 25 3792447499916 26 10824189204014