# A333054 (b-file synthesized from sequence entry) 1 1 2 2 3 8 4 14 5 44 6 104 7 495 8 944 9 4095 10 5775 11 5984 12 21735 13 98175 14 862784 15 4096575 16 7194824 17 14753024 18 879207615 19 1969789184 20 2275962975 21 3968862975 22 12567844575 23 39566665215 24 44803620225 25 77510285775 26 125617830975 27 162902829375