OFFSET
1,2
COMMENTS
The permutations are encoded in decimal, hence the keyword base. - Rémy Sigrist, May 13 2021
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..9679
Dominique Foata and Guo-Niu Han, André Permutation Calculus; a Twin Seidel Matrix Sequence, arXiv:1601.04371 [math.CO], 2016.
Rémy Sigrist, PARI program for A278982
PROG
(PARI) See Links section.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Dec 03 2016
EXTENSIONS
More terms from Rémy Sigrist, May 13 2021
STATUS
approved