[seqfan] Re: A073615

Don Reble djr at nk.ca
Thu Feb 6 13:45:59 CET 2014

> [A073615] could use some more terms (probably from a trivial 
> modification of your program, Don?)...



    Everything looks good in those two sequences, except maybe

> %t A236411 This program generates the first ten terms of the sequence.
>    To generate more would require significantly greater computing
>    resources...

    All you need is a sieving technique. BitTwiddler, here, is an
    ordinary desk computer. But the sieve hastens by a factor of 140000,
    and he pops out that that eleventh term (a(12), actually) in
    1.6 seconds.

Don Reble  djr at nk.ca

More information about the SeqFan mailing list