# A167444 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 3 5 15 6 384 7 135135 8 13749310575 9 46620662575398912000 10 8687364368561751199826958100282265625 11 352999527454840466971061863960307904899505075341088595453568994140625