OFFSET
0,1
MATHEMATICA
s[1] = {2}; s[2] = {3}; s[3] = {1, 2, 2, 3, 3}; t[a_] := Flatten[s /@ a]; p[0] = {1}; p[1] = t[p[0]]; p[n_] := t[p[n - 1]] aa = p[7]
CROSSREFS
KEYWORD
nonn
AUTHOR
Roger L. Bagula, Jun 04 2005
EXTENSIONS
Edited by Sean A. Irvine, Jul 03 2026
STATUS
approved
