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A073215 Sum of two powers of 23. 2
2, 24, 46, 530, 552, 1058, 12168, 12190, 12696, 24334, 279842, 279864, 280370, 292008, 559682, 6436344, 6436366, 6436872, 6448510, 6716184, 12872686, 148035890, 148035912, 148036418, 148048056, 148315730, 154472232, 296071778 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..1000

FORMULA

23^n + 23^m, n = 0, 1, 2, 3 ..., m = 0, 1, 2, 3, ... n.

EXAMPLE

a(4) = 23^2 + 23^0.

MATHEMATICA

With[{nn=30}, Take[Union[Total/@Tuples[23^Range[0, nn], 2]], nn]] (* Harvey P. Dale, Oct 16 2017 *)

CROSSREFS

Cf. A009967, A072822.

Sequence in context: A019996 A119070 A181283 * A111035 A249277 A002552

Adjacent sequences:  A073212 A073213 A073214 * A073216 A073217 A073218

KEYWORD

easy,nonn

AUTHOR

Jeremy Gardiner, Jul 20 2002

STATUS

approved

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Last modified September 29 02:49 EDT 2020. Contains 337420 sequences. (Running on oeis4.)