# A247497 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 3 5 2 6 4 7 10 8 12 9 6 10 9 11 33 12 62 13 60 14 24 15 21 16 111 17 300 18 450 19 360 20 120 21 51 22 378 23 1412 24 3000 25 3720 26 2520 27 720 28 127 29 1303 30 6552 31 18816 32 32760 33 34440 34 20160 35 5040 36 323 37 4539 38 30186 39 113820 40 264264 41 388080 42 352800 43 181440 44 40320