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A003347 Numbers that are the sum of 2 positive 5th powers. 61
2, 33, 64, 244, 275, 486, 1025, 1056, 1267, 2048, 3126, 3157, 3368, 4149, 6250, 7777, 7808, 8019, 8800, 10901, 15552, 16808, 16839, 17050, 17831, 19932, 24583, 32769, 32800, 33011, 33614, 33792, 35893, 40544, 49575, 59050, 59081, 59292, 60073, 62174, 65536, 66825, 75856 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

David A. Corneth, Table of n, a(n) for n = 1..10000 (first 1000 terms from T. D. Noe)

Samuel S. Wagstaff, Jr., Equal Sums of Two Distinct Like Powers, J. Int. Seq., Vol. 25 (2022), Article 22.3.1.

EXAMPLE

From David A. Corneth, Aug 03 2020: (Start)

917552689 is in the sequence as 917552689 = 17^5 + 62^5.

2557575000 is in the sequence as 2557575000 = 45^5 + 75^5.

5828050944 is in the sequence as 5828050944 = 56^5 + 88^5. (End)

MATHEMATICA

With[{k = 5}, Union@ Map[(#[[1]]^k + #[[2]]^k) &, Tuples[Range[9], {2}]]] (* Michael De Vlieger, Sep 09 2022, after Harvey P. Dale at A004999 *)

CROSSREFS

Cf. A000584, A003336, A003348, A003358, A088703.

Sequence in context: A045932 A048783 A116340 * A303375 A342620 A065647

Adjacent sequences: A003344 A003345 A003346 * A003348 A003349 A003350

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified December 3 09:50 EST 2022. Contains 358517 sequences. (Running on oeis4.)