A216715 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A216715

Triangle of coefficients of polynomials arising from INVERT transform of number of conjugacy classes in group of unitriangular n X n matrices over GF(q).

0

1, 0, 1, 0, 1, 1, 0, 1, 4, 2, 0, 1, 9, 14, 5, 0, 1, 16, 54, 55, 18, 1

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,9

LINKS

Table of n, a(n) for n=1..22.

Marcelo Aguiar, Nantel Bergeron and Nathaniel Thiem, Hopf monoids from class functions on unitriangular matrices, arXiv:1203.1572 [math.CO], 2012. See p. 27.

EXAMPLE

Triangle begins:

1

0 1

0 1 1

0 1 4 2

0 1 9 14 5

0 1 16 54 55 18 1

...

CROSSREFS

Sequence in context: A021242 A088393 A121225 * A049430 A055356 A297331

Adjacent sequences: A216712 A216713 A216714 * A216716 A216717 A216718

KEYWORD

nonn,tabf,more

AUTHOR

N. J. A. Sloane, Sep 14 2012

STATUS

approved