# A000626 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 0 6 0 7 4 8 11 9 35 10 101 11 290 12 804 13 2256 14 6296 15 17689 16 49952 17 142016 18 406330 19 1170272 20 3390932 21 9882412 22 28955403 23 85261439 24 252213192 25 749250700 26 2234562027 27 6688670232 28 20088920730 29 60525912003 30 182895125096 31 554186425193 32 1683554604984 33 5126814324715 34 15647846830627 35 47862034920652 36 146691540312878