OEIS Keywords

[David Wasserman]

I've seen scores of sequences marked "easy" that obviously could not  
have been computed by hand. I generally apply "easy" if I can compute  
enough terms to fill all three rows, using a program that takes less  
than 10 minutes to write and less than 1 minute to run.


>> easy: it is very easy to produce terms of sequence
>>
>> This is another one with wildly varying usage.  Sometimes this means:
>> "the sequence
>> has a simple expression for the Maple combinatorics package";  
>> trying to
>> calculate it by
>> hand might take hours.
>
> I hope "easy" is never applied in such cases.