# A344052 (b-file synthesized from sequence entry) 0 1 1 -1 2 -1 3 8 4 19 5 -276 6 -1002 7 21216 8 103395 9 -2881180 10 -17620142 11 609297072 12 4483215086 13 -185182296040 14 -1592692090420 15 76512069014400 16 753146574607395 17 -41256108712556460 18 -457383584443526790 19 28138583115102810000 20 346933879489006727610 21 -23683708768534714984920