

A275743


The number of integers not representable as a sum of nth powers of primes.


4



1, 12, 83, 600, 3058, 18222, 130411, 783480, 3418488, 24857930, 181308931, 610675758, 6529545751, 18840405540, 102444103996, 956394012747, 3188347929974, 27288773879397, 96923972375603, 702926766993950, 2980668206142664, 20046633698159181, 88137290213079355, 502113072640777785
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OFFSET

1,2


COMMENTS

I executed the algorithm in Boecker et al. (2007) with a PARI/GP program, which needed 34 GB RAM and 2 hours to run for n=30. Results checked by an independent algorithm.  Mike Oakes, Aug 17 2016


LINKS



EXAMPLE

For n=2, there are 12 nonnegative integers that cannot be written as a sum of squares of primes.


CROSSREFS



KEYWORD

nonn


AUTHOR



EXTENSIONS



STATUS

approved



