# A075987 (b-file synthesized from sequence entry) 0 1 1 9 2 251 3 31591 4 10862713 5 14467532003 6 31797494201591 7 156248170093443583 8 1071839248022015186797 9 13041980716182955257968099 10 318091971114753602661286869511 11 9476548712979446302049526230869201