A226823 Numbers of the form 5^j + 8^k, for j and k >= 0.

2, 6, 9, 13, 26, 33, 65, 69, 89, 126, 133, 189, 513, 517, 537, 626, 633, 637, 689, 1137, 3126, 3133, 3189, 3637, 4097, 4101, 4121, 4221, 4721, 7221, 15626, 15633, 15689, 16137, 19721, 32769, 32773, 32793, 32893, 33393, 35893, 48393, 78126, 78133, 78189, 78637

Offset: 1

Author

T. D. Noe, Jun 19 2013

Keywords

• nonn

Links

• T. D. Noe, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A004050 (2^j + 3^k), A226806-A226832 (cases to 8^j + 9^k).

Programs

Mathematica

a = 5; b = 8; mx = 80000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]