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Search: id:A006547
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A006547 Sum ((-1)^(i+1)*binomial(n,i)*2^i*(2*i-1)!,i=1..n). +0
1
0, 2, -20, 894, -76936, 11218330, -2486192988, 779417002070, -328459055125136, 179127562413460914, -122758432482044667940, 103274000340320165525422, -104642430930574639703548440, 125699390463431456337149276234 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Adjacent sequences: A006544 A006545 A006546 this_sequence A006548 A006549 A006550

Sequence in context: A054941 A012495 A013148 this_sequence A135757 A008793 A015192

KEYWORD

sign

AUTHOR

njas

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

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