# A005019 (b-file synthesized from sequence entry) 1 1 2 7 3 169 4 14911 5 4925281 6 6195974527 7 30074093255809 8 568640725896660991 9 42170765737391337500161 10 12325140160135610565932361727 11 14244006984657003076298588475598849