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 A206476 Numbers n such that n^5 = a^2 + b^3 + c^5 for some positive integers a, b, and c. 0
 2, 6, 8, 9, 10, 11, 12, 13, 14, 18, 19, 20, 21, 24, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 59, 60, 61, 62, 64, 65, 66, 67, 68, 69 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Some can be expressed in more than one way. LINKS EXAMPLE 10^5 = 168^2 + 40^3 + 6^5 = 280^2 + 24^3 + 6^5. PROG (Maxima) isA206476(n) := block(     [a, b, c, v],     v : false ,     for c : 1 while c < n and not v do (         for b : 1 while b^3+c^5 < n^5 and not v do (             for a : isqrt(n^5-c^5-b^3) while a^2+b^3+c^5 <= n^5 and not v do (                 if equal(a^2+b^3+c^5, n^5) then v : true             )         )     ),     return(v) )\$ for n : 1 thru 100 do (     if equal(isA206476(n), true ) then print(n) )\$ /* R. J. Mathar, Feb 27 2012 */ CROSSREFS Sequence in context: A320573 A003610 A201776 * A077477 A095879 A342751 Adjacent sequences:  A206473 A206474 A206475 * A206477 A206478 A206479 KEYWORD nonn AUTHOR Carmine Suriano, Feb 08 2012 STATUS approved

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Last modified May 27 02:31 EDT 2022. Contains 354092 sequences. (Running on oeis4.)