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A080234 Triangle whose rows are the differences of consecutive pairs of row elements of A080232. 0
1, 1, -2, 1, -1, -1, 1, 0, -2, 0, 1, 1, -2, -2, 1, 1, 2, -1, -4, -1, 2, 1, 3, 1, -5, -5, 1, 3, 1, 4, 4, -4, -10, -4, 4, 4, 1, 5, 8, 0, -14, -14, 0, 8, 5, 1, 6, 13, 8, -14, -28, -14, 8, 13, 6, 1, 7, 19, 21, -6, -42, -42 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Row sums are -1. Second row pairwise difference of A071919.

LINKS

Table of n, a(n) for n=0..61.

EXAMPLE

Rows are {1}, {1,-2}, {1,-1,-1}, {1,0,-2,0}, {1,1,-2,-2,1}, ...

CROSSREFS

Cf. A080232, A071919.

Sequence in context: A258045 A239302 A256983 * A136049 A225192 A262432

Adjacent sequences:  A080231 A080232 A080233 * A080235 A080236 A080237

KEYWORD

sign,tabl

AUTHOR

Paul Barry, Feb 09 2003

STATUS

approved

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Last modified September 21 19:39 EDT 2019. Contains 327279 sequences. (Running on oeis4.)