# A296546 (b-file synthesized from sequence entry) 1 1 2 8 3 15 4 24 5 16 6 27 7 108 8 324 9 774 10 1620 11 2268 12 1584 13 64 14 396 15 1728 16 7200 17 27648 18 87480 19 232704 20 476928 21 663552 22 463104 23 125 24 1050 25 6000 26 35800 27 198000 28 977400 29 4392000 30 17068320 31 56376000 32 151632000 33 311040000 34 430272000 35 299289600