# A154961 (b-file synthesized from sequence entry) 1 0 2 1 3 3 4 25 5 340 6 7026 7 204862 8 8007602 9 404077632 10 25569505628 11 1982619985192 12 184861494417920 13 20406183592852460 14 2631875641089358912 15 392163247878318070876 16 66855512799464487146588 17 12929525365915201064027856 18 2815456378791384288128303192