# A034998 (b-file synthesized from sequence entry) 0 1 1 -8 2 36 3 -128 4 402 5 -1152 6 3064 7 -7680 8 18351 9 -42112 10 93300 11 -200448 12 419150 13 -855552 14 1708632 15 -3345408 16 6432867 17 -12166272 18 22659976 19 -41609856 20 75404754 21 -134973184 22 238825344 23 -418023936 24 724242492