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A072822 The terms of A073215 (sums of two powers of 23) divided by 2. 1
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 (list; graph; refs; listen; history; text; internal format)
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: A294139 A255766 A015447 * A239656 A059161 A133491

Adjacent sequences:  A072819 A072820 A072821 * A072823 A072824 A072825

KEYWORD

easy,nonn

AUTHOR

Jeremy Gardiner, Jul 21 2002

STATUS

approved

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Last modified January 27 17:58 EST 2020. Contains 331296 sequences. (Running on oeis4.)