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Search: id:A117941
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A117941 Inverse of number triangle A117939. +0
3
1, -2, 1, -5, 2, 1, -2, 0, 0, 1, 4, -2, 0, -2, 1, 10, -4, -2, -5, 2, 1, -5, 0, 0, 2, 0, 0, 1, 10, -5, 0, -4, 2, 0, -2, 1, 25, -10, -5, -10, 4, 2, -5, 2, 1, -2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 4, -2, 0, 0, 0, 0, 0, 0, 0, -2, 1, 10, -4, -2, 0, 0, 0, 0, 0, 0, -5, 2, 1, 4, 0, 0, -2, 0, 0, 0, 0, 0, -2, 0, 0, 1, -8, 4, 0, 4, -2, 0, 0, 0, 0, 4, -2, 0, -2, 1 (list; table; graph; listen)
OFFSET

0,2

COMMENT

Row sums are A117942. A117941 mod 2=A117944.

EXAMPLE

Triangle begins

1,

-2, 1,

-5, 2, 1,

-2, 0, 0, 1,

4, -2, 0, -2, 1,

10, -4, -2, -5, 2, 1,

-5, 0, 0, 2, 0, 0, 1,

10, -5, 0, -4, 2, 0, -2, 1,

25, -10, -5, -10, 4, 2, -5, 2, 1

CROSSREFS

Sequence in context: A140879 A006556 A108790 this_sequence A134566 A128694 A088421

Adjacent sequences: A117938 A117939 A117940 this_sequence A117942 A117943 A117944

KEYWORD

sign,tabl

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Apr 05 2006

page 1

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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