# A205502 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 6 4 26 5 153 6 1230 7 13364 8 196940 9 3964902 10 110220876 11 4272079445 12 232593337728 13 17882578732969 14 1948605911230499 15 301712214427188701 16 66502429409739480660 17 20895237675211683912974 18 9368442364990639729658716 19 5998494566458610304486161295