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Search: id:A137718
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A137718 A scaled Hankel transform. +0
2
1, -4, 2, 4, -8, 8, 8, -32, 16, 32, -64, 64, 64, -256, 128, 256, -512, 512, 512, -2048, 1024, 2048, -4096, 4096, 4096, -16384, 8192, 16384, -32768, 32768, 32768, -131072, 65536, 131072, -262144, 262144, 262144 (list; graph; listen)
OFFSET

0,2

COMMENT

A137717=2^floor(n/2)*a(n) is the Hankel transform of A106191.

FORMULA

a(n)=A137717(n)/2^floor(n/2)

CROSSREFS

Cf. A137719.

Sequence in context: A091007 A110638 A016693 this_sequence A007361 A128136 A048147

Adjacent sequences: A137715 A137716 A137717 this_sequence A137719 A137720 A137721

KEYWORD

easy,sign

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Feb 08 2008

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Last modified December 3 01:16 EST 2008. Contains 151161 sequences.


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