# A186695 (b-file synthesized from sequence entry) 1 1 2 1 3 3 4 1 5 12 6 15 7 1 8 39 9 135 10 105 11 1 12 120 13 870 14 1680 15 945 16 1 17 363 18 4950 19 17850 20 23625 21 10395 22 1 23 1092 24 26565 25 159600 26 373275 27 374220 28 135135 29 1 30 3279 31 138285 32 1303155 33 4795875 34 8222445 35 6621615 36 2027025