# A136465 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 4 4 70 5 4368 6 906192 7 621216192 8 1429702652400 9 11288510714272000 10 312268282598377321216 11 30813235422145714150738944 12 11005261717918037175659349191168 13 14391972654784168932973746746691440640 14 69538271351155829150354851003285125277716480 15 1250303357941919088313448625534941836891635347865600