2,2
A006567, A031991
Sequence in context: A078950 A142269 A177850 * A188566 A188753 A188873
Adjacent sequences: A158714 A158715 A158716 * A158718 A158719 A158720
fini,full,nonn,base
Lekraj Beedassy (blekraj(AT)yahoo.com), Mar 24 2009