# A132062 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 0 4 1 5 1 6 0 7 3 8 3 9 1 10 0 11 15 12 15 13 6 14 1 15 0 16 105 17 105 18 45 19 10 20 1 21 0 22 945 23 945 24 420 25 105 26 15 27 1 28 0 29 10395 30 10395 31 4725 32 1260 33 210 34 21 35 1 36 0 37 135135 38 135135 39 62370 40 17325 41 3150 42 378 43 28 44 1 45 0 46 2027025 47 2027025 48 945945 49 270270 50 51975 51 6930 52 630 53 36 54 1 55 0