login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A226818 Numbers of the form 5^j + 7^k, for j and k >= 0. 2
2, 6, 8, 12, 26, 32, 50, 54, 74, 126, 132, 174, 344, 348, 368, 468, 626, 632, 674, 968, 2402, 2406, 2426, 2526, 3026, 3126, 3132, 3174, 3468, 5526, 15626, 15632, 15674, 15968, 16808, 16812, 16832, 16932, 17432, 18026, 19932, 32432, 78126, 78132, 78174, 78468 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

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]}]]]

CROSSREFS

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

Cf. A226792 ((5^j + 7^k)/2).

Sequence in context: A325177 A263312 A346587 * A113462 A065392 A030457

Adjacent sequences:  A226815 A226816 A226817 * A226819 A226820 A226821

KEYWORD

nonn

AUTHOR

T. D. Noe, Jun 19 2013

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 28 18:24 EDT 2022. Contains 354122 sequences. (Running on oeis4.)