# A174134 (b-file synthesized from sequence entry) 1 0 2 4 3 20 4 24 5 60 6 116 7 120 8 136 9 140 10 260 11 340 12 360 13 444 14 676 15 696 16 700 17 816 18 1040 19 1476 20 2020 21 2220 22 2280 23 2684 24 3480 25 3940 26 4056 27 4060 28 4080 29 4420 30 4756 31 5516 32 6100 33 6120 34 6460 35 6780 36 8224 37 8840 38 8976 39 9860 40 11700 41 13756 42 16040 43 18564 44 21340 45 22964