# A011843 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 0 4 0 5 0 6 1 7 3 8 9 9 21 10 42 11 77 12 132 13 214 14 333 15 500 16 728 17 1031 18 1428 19 1938 20 2584 21 3391 22 4389 23 5608 24 7084 25 8855 26 10963 27 13455 28 16380 29 19792 30 23751 31 28318 32 33562 33 39556 34 46376 35 54105 36 62832 37 72649 38 83657