OFFSET
0,4
LINKS
Hiroaki Yamanouchi, Table of n, a(n) for n = 0..100
Koda, Tatsuhiko; Sato, Masaki; Takegahara, Yugen; 2-adic properties for the numbers of involutions in the alternating groups, J. Algebra Appl. 14 (2015), no. 4, 1550052 (21 pages). See Lemma 2.1.
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
N. J. A. Sloane, Mar 29 2015
EXTENSIONS
a(18)-a(26) from Hiroaki Yamanouchi, Mar 30 2015
STATUS
approved