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Search: id:A134405
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A134405 -1 before list of quadruples -2n-1, 2n+2, -2n, 2n+1. +0
1
-1, -1, 2, 0, 1, -3, 4, -2, 3, -5, 6, -4, 5, -7, 8, -6, 7, -9, 10, -8, 9, -11, 12, -10, 11, -13, 14, -12, 13, -15, 16, -14, 15, -17, 18, -16, 17, -19, 20, -18, 19 (list; graph; listen)
OFFSET

0,3

CROSSREFS

Sequence in context: A124031 A049600 A004542 this_sequence A091612 A108458 A062104

Adjacent sequences: A134402 A134403 A134404 this_sequence A134406 A134407 A134408

KEYWORD

sign

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Jan 31 2008

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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