# A094143 (b-file synthesized from sequence entry) 1 6 2 30 3 84 4 210 5 180 6 1386 7 504 8 330 9 546 10 2574 11 990 12 3570 13 840 14 7854 15 4290 16 1716 17 1224 18 14490 19 11856 20 1710 21 2730 22 8970 23 26220 24 2310 25 9690 26 4080 27 11550 28 49476 29 3036 30 35700 31 29580 32 23460 33 13566 34 3900 35 60060 36 66120 37 36270 38 18096 39 4914 40 31350 41 18354 42 7980