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A159971 Riordan array (2c(-x)-1, xc(-x)^3), c(x) the g.f. of A000108. 1
1, -2, 1, 4, -5, 1, -10, 19, -8, 1, 28, -68, 43, -11, 1, -84, 240, -198, 76, -14, 1, 264, -847, 845, -427, 118, -17, 1, -858, 3003, -3458, 2140, -782, 169, -20, 1, 2860, -10712, 13804, -9996, 4503, -1290, 229, -23, 1, -9724, 38454, -54264, 44574 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Inverse of A159965. Row sums are A159972.

LINKS

Table of n, a(n) for n=0..48.

EXAMPLE

Triangle begins

1,

-2, 1,

4, -5, 1,

-10, 19, -8, 1,

28, -68, 43, -11, 1,

-84, 240, -198, 76, -14, 1,

264, -847, 845, -427, 118, -17, 1,

-858, 3003, -3458, 2140, -782, 169, -20, 1

CROSSREFS

Sequence in context: A124960 A137346 A264017 * A114158 A248666 A162407

Adjacent sequences:  A159968 A159969 A159970 * A159972 A159973 A159974

KEYWORD

easy,sign,tabl

AUTHOR

Paul Barry, Apr 28 2009

STATUS

approved

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Last modified October 1 08:39 EDT 2020. Contains 337442 sequences. (Running on oeis4.)