# A361710 (b-file synthesized from sequence entry) 0 0 1 1 2 -1 3 -8 4 15 5 126 6 -280 7 -2400 8 5775 9 50050 10 -126126 11 -1100736 12 2858856 13 25069968 14 -66512160 15 -585307008 16 1577585295 17 13919870250 18 -37978905250 19 -335813478000 20 925166131890 21 8194328596740 22 -22754499243840 23 -201822515032320 24 564121960420200 25 5009403008531376