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Search: id:A118734
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A118734 Numbers n such that 2^n and 3^n have even digit sum. +0
9
6, 15, 33, 37, 42, 43, 44, 46, 47, 50, 54, 55, 57, 58, 64, 67, 70, 71, 77, 82, 83, 84, 85, 90, 95, 102, 106, 107, 112, 116, 120, 122, 126, 129, 135, 136, 138, 140, 142, 149, 154, 161, 168, 170, 173, 176, 178, 179, 180, 181, 185, 193, 195, 198, 200, 207, 209, 210, 217 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

Select[Range[220], And @@ ((Mod[ Plus @@ IntegerDigits[ # ], 2] == 0 &) /@ {2^#, 3^#}) &] (*Chandler*)

CROSSREFS

Cf. Intersection of A118730 and A118733.

Adjacent sequences: A118731 A118732 A118733 this_sequence A118735 A118736 A118737

Sequence in context: A134506 A143274 A121666 this_sequence A051410 A083052 A120849

KEYWORD

base,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), May 22 2006

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jun 10 2006

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.


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