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A226232 Nontrivial prime powers (A025475) which are a sum of a smaller nontrivial prime power and a perfect cube. 2
9, 16, 128, 243, 512, 841, 1024, 1849, 5041, 6561, 8192, 32041, 65536, 76729, 157609, 177147, 187489, 310249, 524288, 734449, 1104601, 4108729, 4194304, 4782969, 5067001, 7778521, 11498881, 12823561, 31956409, 33554432, 38651089, 65302561, 78552769, 90459121, 129140163 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..35.

MAPLE

for n from 1 do

    if isA025475(n) then

        for j from 1 do

            pj := n-j^3 ;

            if pj < 0 then

                break;

            elif isA025475(pj) then

                printf("%d, \n", n);

                break ;

            end if;

        end do:

    end if:

end do: # R. J. Mathar, Jun 06 2013

CROSSREFS

Cf. A025475, A226230, A226231.

Sequence in context: A014720 A138238 A177171 * A267088 A204268 A075373

Adjacent sequences:  A226229 A226230 A226231 * A226233 A226234 A226235

KEYWORD

nonn

AUTHOR

Alex Ratushnyak, May 31 2013

STATUS

approved

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Last modified February 25 12:01 EST 2020. Contains 332233 sequences. (Running on oeis4.)