# A274197 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 4 4 5 5 7 6 9 7 11 8 13 9 17 10 21 11 25 12 30 13 38 14 46 15 55 16 67 17 83 18 100 19 121 20 148 21 180 22 217 23 264 24 321 25 388 26 470 27 572 28 693 29 838 30 1018 31 1237 32 1497 33 1814 34 2205 35 2675 36 3239 37 3930 38 4773 39 5785 40 7010 41 8510 42 10326 43 12514 44 15177 45 18422 46 22340 47 27084 48 32862 49 39872 50 483458