Kod: |
[vsego@degiorgi ~]$ perl -e 'foreach$n(1..10){$s=0;foreach(0..$n){$s+=($_+1)*2**($n-$_);}print$n,": ",$s," ? ",2**($n+2)-($n-3),"\n";}'
1: 4 ? 10 2: 11 ? 17 3: 26 ? 32 4: 57 ? 63 5: 120 ? 126 6: 247 ? 253 7: 502 ? 508 8: 1013 ? 1019 9: 2036 ? 2042 10: 4083 ? 4089 [vsego@degiorgi ~]$ perl -e 'foreach$n(1..10){$s=0;foreach(0..$n){$s+=($_+1)*2**($n-$_);}print$n,": ",$s," ? ",2**($n+2)-($n+3),"\n";}' 1: 4 ? 4 2: 11 ? 11 3: 26 ? 26 4: 57 ? 57 5: 120 ? 120 6: 247 ? 247 7: 502 ? 502 8: 1013 ? 1013 9: 2036 ? 2036 10: 4083 ? 4083 |
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