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A121203 2n+7^n-5^n. 0
0, 4, 28, 224, 1784, 13692, 102036, 745432, 5374192, 38400500, 272709644, 1928498640, 13597146600, 95668307308, 672119557252, 4717043931848, 33080342679008, 231867574534116, 1624598900644860, 11379821699045056 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Cf. A074616.

Sequence in context: A026020 A026033 A005810 * A192620 A180708 A191094

Adjacent sequences:  A121200 A121201 A121202 * A121204 A121205 A121206

KEYWORD

nonn

AUTHOR

Mohammad K. Azarian (azarian(AT)evansville.edu), Aug 19 2006

EXTENSIONS

Edited by Ray Chandler (rayjchandler(AT)sbcglobal.net), Sep 06 2006

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Last modified February 16 14:37 EST 2012. Contains 205930 sequences.