# A139359 (b-file synthesized from sequence entry) 1 1 2 2 3 2 4 3 5 6 6 6 7 5 8 16 9 36 10 24 11 7 12 46 13 150 14 240 15 120 16 11 17 114 18 546 19 1560 20 1800 21 720 22 15 23 614 24 2058 25 8400 26 16800 27 15120 28 5040 29 22 30 1366 31 6984 32 40848 33 126000 34 191520 35 141120 36 40320 37 30 38 12516 39 73488 40 192816 41 834120 42 1905120 43 2328480 44 1451520 45 362880