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A139269 Twice lucky numbers. 0
2, 6, 14, 18, 26, 30, 42, 50, 62, 66, 74, 86, 98, 102, 126, 134, 138, 146, 150, 158, 174, 186, 198, 210, 222, 230, 254, 258, 266, 270, 282, 302, 318, 326, 338, 342, 378, 386, 390, 402, 410, 422, 438, 446, 462, 470, 474, 482 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..48.

FORMULA

a(n)=A000959(n)*2.

CROSSREFS

Cf. A000959.

Sequence in context: A057214 A196445 A280082 * A186299 A163777 A215807

Adjacent sequences:  A139266 A139267 A139268 * A139270 A139271 A139272

KEYWORD

easy,nonn

AUTHOR

Omar E. Pol, Jun 01 2008

STATUS

approved

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Last modified September 16 10:23 EDT 2019. Contains 327094 sequences. (Running on oeis4.)