# A091915 (b-file synthesized from sequence entry) 1 0 2 2 3 2 4 4 5 6 6 8 7 12 8 18 9 24 10 36 11 54 12 72 13 108 14 162 15 216 16 324 17 486 18 648 19 972 20 1458 21 1944 22 2916 23 4374 24 5832 25 8748 26 13122 27 17496 28 26244 29 39366 30 52488 31 78732 32 118098 33 157464 34 236196 35 354294 36 472392 37 708588 38 1062882 39 1417176 40 2125764 41 3188646 42 4251528