# A151442 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 5 4 13 5 37 6 111 7 348 8 1115 9 3690 10 12437 11 42646 12 148530 13 523835 14 1868356 15 6729649 16 24454173 17 89552497 18 330263689 19 1225741014 20 4575462854 21 17169395749 22 64738926261 23 245187658138 24 932406910922 25 3559219448897 26 13634163069767 27 52398809327631 28 201994189232865 29 780899820381385 30 3027006453635929