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back to boardIt's nice problem 1 1 2 4 6 9 14 21 31 46 68 100 147 216 317 465 682 1000 1466 2149 3150 4617 6767 9918 14536 21304 31223 45760 67065 98289 144050 211116 309406 453457 664574 973981 1427439 2092014 3065996 4493436 6585451 9651448 14144885 20730337 30381786 44526672 65257010 95638797 140165470 205422481 301061279 441226750 646649232 947710512 |
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