# A009644 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 4 4 -4 5 55 6 -349 7 3176 8 -31536 9 356981 10 -4486515 11 62124676 12 -939083124 13 15387231899 14 -271629760609 15 5139109612040 16 -103734448063424 17 2225145262126601 18 -50544116286741191 19 1212003840479789476