A072822 - OEIS

A072822

The terms of A073215 (sums of two powers of 23) divided by 2.

1, 12, 23, 265, 276, 529, 6084, 6095, 6348, 12167, 139921, 139932, 140185, 146004, 279841, 3218172, 3218183, 3218436, 3224255, 3358092, 6436343, 74017945, 74017956, 74018209, 74024028, 74157865, 77236116, 148035889, 1702412724

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..29.

FORMULA

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

EXAMPLE

a(4) = 265 = (23^2+23^0) / 2

MATHEMATICA

Union[#/2&/@(Total/@Tuples[23^Range[0, 7], {2}])] (* Harvey P. Dale, Apr 21 2011 *)

CROSSREFS

Cf. A073215.

Sequence in context: A255766 A333933 A015447 * A239656 A059161 A133491

Adjacent sequences: A072819 A072820 A072821 * A072823 A072824 A072825

KEYWORD

easy,nonn

AUTHOR

Jeremy Gardiner, Jul 21 2002

STATUS

approved