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A157491
A050165
*
A130595
as infinite lower triangular matrices.
2
1, 0, 1, 0, -1, 2, 0, 2, -6, 5, 0, -5, 20, -28, 14, 0, 14, -70, 135, -120, 42, 0, -42, 252, -616, 770, -495, 132, 0, 132, -924, 2730, -4368, 4004, -2002, 429, 0, -429, 3432, -11880, 23100, -27300, 19656, -8008, 1430
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OFFSET
0,6
COMMENTS
Triangle, read by rows, given by [0,-1,-1,-1,-1,-1,-1,...] DELTA [1,1,1,1,1,1,1,1,...] where DELTA is the operator defined in
A084938
. Triangle related to k-regular trees.
LINKS
Table of n, a(n) for n=0..44.
Paul Barry,
A Note on a Family of Generalized Pascal Matrices Defined by Riordan Arrays
, Journal of Integer Sequences, 16 (2013), #13.5.4.
Jian Zhou,
On Some Mathematics Related to the Interpolating Statistics
, arXiv:2108.10514 [math-ph], 2021.
FORMULA
Sum_{k=0..n} T(n,k)*x^k =
A000007
(n),
A000012
(n),
A000984
(n),
A089022
(n),
A035610
(n),
A130976
(n),
A130977
(n),
A130978
(n),
A130979
(n),
A130980
(n),
A131521
(n) for x = 0,1,2,3,4,5,6,7,8,9,10 respectively.
Sum_{k=0..n} T(n,k)*x^(n-k) =
A064093
,
A064092
,
A064091
,
A064090
,
A064089
,
A064088
,
A064087
,
A064063
,
A064062
,
A000108
,
A000012
,
A064310
,
A064311
,
A064325
,
A064326
,
A064327
,
A064328
,
A064329
,
A064330
,
A064331
,
A064332
,
A064333
for x = -9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10,11,12 respectively. [
Philippe Deléham
, Mar 03 2009]
EXAMPLE
Triangle begins:
1;
0, 1;
0, -1, 2;
0, 2, -6, 5;
0, -5, 20, -28, 14;
...
CROSSREFS
Cf.
A000108
,
A062991
,
A094385
.
Sequence in context:
A392806
A185197
A327116
*
A094385
A390723
A355260
Adjacent sequences:
A157488
A157489
A157490
*
A157492
A157493
A157494
KEYWORD
sign
,
tabl
AUTHOR
Philippe Deléham
, Mar 01 2009
STATUS
approved