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A084431 Expansion of (1+6x+5x^2)/((1-2x)(1+2x)). +0
2
1, 6, 9, 24, 36, 96, 144, 384, 576, 1536, 2304, 6144, 9216, 24576, 36864, 98304, 147456, 393216, 589824, 1572864, 2359296, 6291456, 9437184, 25165824, 37748736, 100663296, 150994944, 402653184, 603979776, 1610612736, 2415919104 (list; graph; listen)
OFFSET

0,2

COMMENT

Binomial transform is A085287.

FORMULA

a(n)=(-10*0^n-3(-2)^n+21*2^n)/8.

CROSSREFS

Bisections are A002023 and A002063.

Adjacent sequences: A084428 A084429 A084430 this_sequence A084432 A084433 A084434

Sequence in context: A033704 A121592 A034718 this_sequence A093153 A115646 A115644

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Jun 26 2003

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.


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