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 A022556 Numbers that are a sum of a square and 2 nonnegative cubes. 0
 0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 16, 17, 18, 20, 24, 25, 26, 27, 28, 29, 31, 32, 33, 34, 35, 36, 37, 38, 39, 41, 43, 44, 45, 49, 50, 51, 52, 53, 54, 55, 57, 58, 60, 63, 64, 65, 66, 68, 69, 70, 71, 72, 73, 74 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS MAPLE isA022556 := proc(n)     local a2, b, c ;     for b from 0 do         if b^3 > n then             return false;         end if;         for c from b do             a2 := n-b^3-c^3 ;             if a2 < 0 then                 break;             end if;             if issqr(a2) then                 return true;             end if;         end do:     end do: end proc: # R. J. Mathar, Sep 02 2016 CROSSREFS Sequence in context: A032854 A031992 A023749 * A250482 A172233 A189891 Adjacent sequences:  A022553 A022554 A022555 * A022557 A022558 A022559 KEYWORD nonn AUTHOR STATUS approved

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Last modified January 17 19:58 EST 2019. Contains 319251 sequences. (Running on oeis4.)