# A124280 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 2 4 4 5 5 6 9 7 12 8 20 9 28 10 45 11 65 12 102 13 150 14 232 15 345 16 529 17 792 18 1208 19 1816 20 2761 21 4161 22 6314 23 9530 24 14444 25 21821 26 33049 27 49956 28 75628 29 114356 30 173077 31 261761 32 396110 33 599150 34 906576 35 1371377 36 2074913 37 3138864