# A369775 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 5 4 16 5 65 6 293 7 1807 8 12946 9 106475 10 972260 11 9858553 12 109451903 13 1323071345 14 17398667717 15 247055196932 16 3753507625272 17 60680317203979 18 1043036844360792 19 18969267205680868 20 364107881070036688 21 7366172106829696356 22 156467911373737550264