# A098874 (b-file synthesized from sequence entry) 1 3 2 18 3 12 4 108 5 24 6 72 7 168 8 384 9 360 10 456 11 720 12 1824 13 1368 14 3192 15 19260 16 6840 17 13680 18 21000 19 80940 20 9576 21 50616 22 39120 23 220248 24 167808 25 264264 26 193800 27 242820 28 181944 29 117360 30 424080 31 456456 32 848160 33 124488 34 2756520 35 1618344 36 3269112 37 2229840