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A127248 Triangle whose k-th column is generated by (1-A010060(1+k)*x)*x^k. 3
1, -1, 1, 0, -1, 1, 0, 0, 0, 1, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Inverse is A127247. Row sums are 1-A010060(n).

LINKS

Table of n, a(n) for n=0..65.

EXAMPLE

Triangle begins

1,

-1, 1,

0, -1, 1,

0, 0, 0, 1,

0, 0, 0, -1, 1,

0, 0, 0, 0, 0, 1,

0, 0, 0, 0, 0, 0, 1,

0, 0, 0, 0, 0, 0, -1, 1,

0, 0, 0, 0, 0, 0, 0, -1, 1,

0, 0, 0, 0, 0, 0, 0, 0, 0, 1,

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1

CROSSREFS

Sequence in context: A090174 A165556 A127243 * A266298 A265695 A116938

Adjacent sequences:  A127245 A127246 A127247 * A127249 A127250 A127251

KEYWORD

easy,sign,tabl

AUTHOR

Paul Barry, Jan 10 2007

STATUS

approved

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Last modified December 4 02:18 EST 2020. Contains 338921 sequences. (Running on oeis4.)