# A081022 (b-file synthesized from sequence entry) 1 1 2 15 3 615 4 48825 5 6351345 6 1225996695 7 328803049575 8 116905182419025 9 53200767201206625 10 30152208510970120575 11 20822956658564943457575 12 17211467743309469796791625