1,1
Table of n, a(n) for n=1..9.
Eric Weisstein's World of Mathematics, Symmetric Quartic Graph
Sequence in context: A085114 A011661 A011660 * A000493 A011663 A091247
Adjacent sequences: A087098 A087099 A087100 * A087102 A087103 A087104
nonn,more
Eric W. Weisstein, Aug 10, 2003
approved