# A036648 (b-file synthesized from sequence entry) 0 0 1 1 2 0 3 1 4 1 5 2 6 3 7 6 8 11 9 24 10 48 11 109 12 242 13 574 14 1346 15 3258 16 7928 17 19664 18 49158 19 124384 20 316791 21 813231 22 2099326 23 5451613 24 14226697 25 37306971 26 98247737 27 259779698 28 689385447 29 1835644498 30 4902992215 31 13133825317 32 35276818036