A322779 - OEIS

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

A322779

132-avoiding permutations whose squares are also 132-avoiding

0

1, 2, 5, 12, 24, 50, 101, 202, 398, 806, 1568, 3148, 6198, 12306, 24223, 48314

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

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..16.

Miklos Bona, Rebecca Smith, Pattern avoidance in permutations and their squares, arXiv:1901.00026 [math.CO], 2018. See Sect. 5.

CROSSREFS

Sequence in context: A320235 A034483 A267004 * A096584 A002836 A116720

Adjacent sequences: A322776 A322777 A322778 * A322780 A322781 A322782

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Jan 04 2019

EXTENSIONS

Name clarified by Colin Defant, Apr 30 2019

STATUS

approved