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A142710 A142586 (1,2,5,14,39) + A142585 (1,0,1,0,-1) .Sum of binomial transform and inverse binomial transform of A014217 (1,1,2,4,6). +0
2
2, 2, 6, 14, 38, 112, 276, 814, 1998, 5702, 14226 (list; graph; listen)
OFFSET

1,1

COMMENT

From a(1)=2 last digit is period 4:repeat 2,6,4,8.

CROSSREFS

Adjacent sequences: A142707 A142708 A142709 this_sequence A142711 A142712 A142713

Sequence in context: A005310 A002203 A097341 this_sequence A014431 A142471 A071208

KEYWORD

nonn,uned

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Sep 25 2008

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Last modified November 8 07:45 EST 2009. Contains 166143 sequences.


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