# A213794 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 13 4 169 5 5673 6 526443 7 133721189 8 95133854529 9 190409704025737 10 1081810465812816481 11 17533275809917986947451 12 814583187343481957681992873 13 108889213625061640897043875544377 14 42017261328544343771207789776696995237 15 46930798910194830781686389018692804741926963