# A344854 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 8 4 64 5 320 6 2240 7 17920 8 121856 9 831488 10 6215680 11 46069760 12 333639680 13 2468257792 14 18538397696 15 138630955008 16 1038902624256 17 7848847736832 18 59474614157312 19 451122104369152 20 3432752856694784 21 26200670667276288 22 200322520455315456 23 1534319564383322112