A155470 - OEIS

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A155470

Numbers that are the sum of 2 numbers; nonzero square and cube, including repetitions, squareNumber <> cubeNumber.

5, 9, 10, 17, 17, 24, 26, 28, 31, 33, 37, 43, 44, 50, 52, 57, 63, 65, 65, 68, 72, 73, 76, 82, 89, 89, 91, 100, 101, 108, 108, 113, 122, 126, 127, 128, 129, 129, 134, 141, 145, 145, 148, 152, 161, 164, 170, 171, 174, 177, 185, 189, 196, 197, 204, 206, 208, 217, 220

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

17=3^2+2^3, 17=4^2+1^3, 31=2^2+3^3, 43=4^2+3^3, 65=1^2+4^3, 65=8^2+1^3, 100=6^2+4^3, ...

LINKS

Table of n, a(n) for n=1..59.

MATHEMATICA

lst={}; Do[Do[Do[If[x!=y, a=x^2+y^3; If[a>n, Break[]]; If[a==n, AppendTo[lst, n]]], {y, 5!}], {x, 5!}], {n, 4*5!}]; lst

CROSSREFS

Cf. A088719, A088677, A088703, A088687, A001235, A024670, A025320, A025319, A025318, A025317, A025316, A025315, A025314, A025313, A024508, A004431, A024507, A155468, A155469

Sequence in context: A327593 A282757 A199718 * A266399 A351205 A164709

Adjacent sequences: A155467 A155468 A155469 * A155471 A155472 A155473

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Jan 23 2009

STATUS

approved