A226792 Numbers of the form (5^j + 7^k)/2, for j and k >= 0.

1, 3, 4, 6, 13, 16, 25, 27, 37, 63, 66, 87, 172, 174, 184, 234, 313, 316, 337, 484, 1201, 1203, 1213, 1263, 1513, 1563, 1566, 1587, 1734, 2763, 7813, 7816, 7837, 7984, 8404, 8406, 8416, 8466, 8716, 9013, 9966, 16216, 39063, 39066, 39087, 39234

Offset: 1

Author

T. D. Noe, Jun 19 2013

Keywords

• nonn

Crossrefs

Cf. A226818 (5^j + 7^k).

Programs

Mathematica

a = 5; b = 7; mx = 80000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]/2