# A351421 (b-file synthesized from sequence entry) 1 1 2 -1 3 3 4 -13 5 77 6 -576 7 5219 8 -55567 9 680028 10 -9405302 11 145067040 12 -2468571128 13 45936991110 14 -927915150852 15 20219040931738 16 -472697857817078 17 11801903989774760 18 -313395752536945568 19 8819464678850030936 20 -262185434197432956664 21 8210080944919085511680