A253287 Numbers representable as x^y + x*y and as b^c + b + c, where x, y, b, c are integers > 1.
8, 14, 3135, 10714, 70342709283
Offset: 1
Examples
a(2) = 14 = 2^3 + 2*3 = 3^2 + 2 + 3. a(3) = 3135 = 55^2 + 55*2 = 5^5 + 5 + 5. a(4) = 10714 = 22^3 + 22*3 = 103^2 + 103 + 2. a(5) = 70342709283 = 265221^2 + 265221*2 = 4128^3 + 4128 + 3.
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