OFFSET
0,3
COMMENTS
See the conjecture given in A209860. If true, then all the terms from a(2) onward are even. a(0) gives the number of fixed points in range [0,0], i.e. 1.
LINKS
Antti Karttunen, Table of n, a(n) for n = 0..24
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Mar 24 2012
STATUS
approved