# A346084 (b-file synthesized from sequence entry) 0 1 1 1 2 5 3 146 4 17352 5 8607552 6 17362252800 7 141087882903552 8 4605333486987902976 9 602440395156024780128256 10 315546297657431573076891402240 11 661423879140352987222707528171257856 12 5547073628722488310034844542685201882415104 13 186106159461598495645613441708238958650047305089024