# A129024 (b-file synthesized from sequence entry) 1 3 2 15 3 24 4 48 5 72 6 120 7 168 8 264 9 552 10 696 11 744 12 888 13 984 14 1032 15 1128 16 1272 17 1416 18 1464 19 1608 20 1704 21 1752 22 1896 23 1992 24 2136 25 2328