# A023914 (b-file synthesized from sequence entry) 0 1 1 552 2 63756 3 2704064 4 53183682 5 567173376 6 3844954344 7 19344711936 8 78707396790 9 270865553048 10 819741312720 11 2227781467584 12 5559628500716 13 12871144053504 14 28053560345184 15 57835101053184 16 114001594899018