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A114115 Inverse of number triangle A114114. 3
1, -1, 1, 2, -2, 1, -3, 3, -2, 1, 2, -2, 2, -2, 1, 0, 0, -1, 2, -2, 1, 2, -2, 2, -2, 2, -2, 1, -5, 5, -4, 3, -2, 2, -2, 1, 2, -2, 2, -2, 2, -2, 2, -2, 1, 0, 0, 0, 0, -1, 2, -2, 2, -2, 1, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 1, -2, 2, -3, 4, -4, 3, -2, 2, -2, 2, -2, 1, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 2, -2, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

Row sums are A088705. Product with partial sum matrix (1/(1-x),x) gives A114116.

LINKS

Table of n, a(n) for n=0..90.

EXAMPLE

Triangle begins

1;

-1, 1;

2,-2, 1;

-3, 3,-2, 1;

2,-2, 2,-2, 1;

0, 0,-1, 2,-2, 1;

2,-2, 2,-2, 2,-2, 1;

CROSSREFS

Sequence in context: A294207 A288267 A237840 * A126268 A193739 A182535

Adjacent sequences:  A114112 A114113 A114114 * A114116 A114117 A114118

KEYWORD

sign,tabl

AUTHOR

Paul Barry, Nov 13 2005

STATUS

approved

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Last modified August 25 09:38 EDT 2019. Contains 326323 sequences. (Running on oeis4.)