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A273546
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Integers n such that n^n is the average of a nonzero square and a positive cube.
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0
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0, 1, 4, 6, 8, 9, 12, 13, 14, 18, 24, 25
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OFFSET
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1,3
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COMMENTS
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Integers n such that n^n = (x^2 + y^3)/2 where x, y > 0, is soluble.
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LINKS
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EXAMPLE
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13 is a term because 13^13 = (24134045^2 + 28561^3)/2.
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PROG
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(PARI) isA055394(n)=for(k=1, sqrtnint(n-1, 3), if(issquare(n-k^3), return(1))); 0
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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