# A062133 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 20 4 36 5 16 6 456 7 944 8 672 9 160 10 14304 11 33760 12 28800 13 10880 14 1536 15 575040 16 1466752 17 1413120 18 666880 19 157440 20 14848 21 27659520 22 74774784 23 79278080 24 43330560 25 13153280 26 2128896 27 143360 28 1548126720