Timeline for Is this number a factorial?
Current License: CC BY-SA 3.0
2 events
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| Nov 11, 2018 at 12:36 | comment | added | nwellnhof |
17 bytes: {$_∈[\*] 1..$_}. Another interesting approach is 2>*.polymod(1..*).sum.
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| May 20, 2017 at 14:27 | history | answered | Brad Gilbert b2gills | CC BY-SA 3.0 |