# A265610 (b-file synthesized from sequence entry) 0 -1 1 0 2 2 3 11 4 49 5 204 6 825 7 3289 8 13013 9 51272 10 201552 11 791350 12 3105322 13 12183560 14 47805615 15 187623765 16 736618125 17 2893125840 18 11367801060 19 44686512090 20 175739405790 21 691437981000 22 2721606268290 23 10717182330426 24 42219554975874 25 166386610183024 26 655976895434000