# A083061 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 4 4 15 5 15 6 34 7 147 8 210 9 105 10 496 11 2370 12 4095 13 3150 14 945 15 11056 16 56958 17 111705 18 107415 19 51975 20 10395 21 349504 22 1911000 23 4114110 24 4579575 25 2837835 26 945945 27 135135 28 14873104 29 85389132 30 197722980 31 244909665 32 178378200 33 77567490