1,2
Cf. A059867, A000085.
Sequence in context: A014236 A087955 A026537 * A006663 A094941 A002785
Adjacent sequences: A089245 A089246 A089247 * A089249 A089250 A089251
nonn
Yuval Dekel (dekelyuval(AT)hotmail.com), Dec 11 2003