# A223172 (b-file synthesized from sequence entry) 0 1 1 1 2 6 3 7 4 6 5 7 6 84 7 36 8 91 9 156 10 36 11 91 12 1638 13 1404 14 216 15 1729 16 4446 17 2052 18 216 19 1729 20 41496 21 53352 22 16416 23 1296 24 43225 25 148200 26 102600 27 21600 28 1296 29 43225 30 1296750 31 2223000 32 1026000 33 162000 34 7776 35 1339975 36 5742750 37 5301000 38 1674000 39 200880 40 7776