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Search: id:A138200
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A138200 (14^(2*n+1) + 3^(2*n+1)) / 17. +0
2
1, 163, 31651, 6200923, 1215356851, 238209726283, 46689104402851, 9151064445421243, 1793608631144725651, 351547291702945685803, 68903269173764569541251, 13505040758057740566199963 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n+1) = 9*a(n) + 11*14^(2*n+1), a(0) = 1.

O.g.f.: [14/(1-196x)+3/(1-9x)]/17 . - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 07 2008

CROSSREFS

a(n) = A138199(n)/17.

Sequence in context: A134160 A049498 A138932 this_sequence A146504 A145741 A127882

Adjacent sequences: A138197 A138198 A138199 this_sequence A138201 A138202 A138203

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 05 2008

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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