# A048036 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 0 6 1 7 6 8 21 9 42 10 112 11 252 12 378 13 759 14 1419 15 1914 16 3564 17 6864 18 9295 19 20020 20 45055 21 63083 22 146648 23 331568 24 456484 25 1007454 26 2156994 27 2896664 28 6165494 29 13079094 30 17441739 31 37871064 32 82898739 33 111029050 34 247813500