# A077811 (b-file synthesized from sequence entry) 1 1 2 4 3 10 4 40 5 100 6 40 7 72 8 400 9 720 10 400 11 672 12 400 13 732 14 288 15 1000 16 4000 17 9792 18 2880 19 6440 20 4000 21 5184 22 2688 23 10110 24 4000 25 6912 26 2928 27 7920 28 2880 29 10432 30 4000 31 10800 32 40000 33 90900 34 39168 35 59904 36 28800 37 65520 38 25760 39 86040 40 40000 41 66560 42 20736