A140075 Table of q-derangement numbers of type B, by rows.

1, 1, 2, 1, 1, 1, 3, 4, 5, 5, 4, 4, 2, 1, 1, 4, 8, 13, 18, 22, 26, 28, 28, 25, 21, 17, 11, 7, 3, 1

Offset

1,3

Comments

This sequence is from Table 1.2 of Chen and Wang, p. 3.

Links

Table of n, a(n) for n=1..30.

William Y. C. Chen and David G. L. Wang, The Limiting Distributions of the Coefficients of the q-Derangement Numbers, arXiv:0806.2092 [math.CO], 2008.

Example

The table begins:
===================================================================================
k=...|.1.|.2.|.3.|..4.|..5.|..6.|..7.|..8.|..9.|.10.|.11.|.12.|.13.|.14.|.15.|.16.|
===================================================================================
n=1..|.1.|
n=2..|.1.|.2.|.1.|..1.|
n=3..|.1.|.3.|.4.|..5.|..5.|..4.|..4.|..2.|..1.|
n=4..|.1.|.4.|.8.|.13.|.18.|.22.|.26.|.28.|.28.|.25.|.21.|.17.|.11.|..7.|..3.|..1.|
===================================================================================

Crossrefs

Cf. A000166, A139755.

Sequence in context: A168377 A122867 A124775 * A099555 A262082 A299045

Adjacent sequences: A140072 A140073 A140074 * A140076 A140077 A140078

Keyword

nonn,tabf,more

Author

Jonathan Vos Post, Jun 14 2008

Status

approved