OFFSET
0,2
LINKS
F. M. Dekking, Recurrent Sets, Advances in Mathematics, vol. 44, no.1, April 1982, page 85, section 4.1.
MATHEMATICA
s[1] = {2, 1};
s[2] = {3, 2};
s[3] = {4, 3};
s[4] = {1, 4};
t[a_] := Flatten[s /@ a];
p[0] = {1};
p[1] = t[p[0]];
p[n_] := t[p[n - 1]]
aa = p[8]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Roger L. Bagula, May 07 2005
EXTENSIONS
Edited and new name from Joerg Arndt, Jun 25 2022
STATUS
approved