# A136731 (b-file synthesized from sequence entry) 0 1 1 2 2 5 3 23 4 175 5 1935 6 28432 7 523290 8 11587072 9 299942890 10 8886126540 11 296438370794 12 10993731095695 13 448604373236731 14 19971257117211555 15 963142501803505255 16 50015707804752012825 17 2782336529985704607295