# A210896 (b-file synthesized from sequence entry) 1 1 2 2 3 20 4 400 5 16716 6 1444348 7 258951340 8 96266852004 9 74214689922928 10 118642250445743920 11 393305989512539553728 12 2703723885515478100466476 13 38542035415959856159523945096