3,1
Posting to math-fun(AT)cs.arizona.edu by Torsten Sillke (sillke(AT)lh-systems.de).
Table of n, a(n) for n=3..7.
T. Sillke, For more info
Sequence in context: A220031 A197092 A223240 * A024830 A030982 A203381
Adjacent sequences: A019531 A019532 A019533 * A019535 A019536 A019537
nonn
Achim Flammenkamp (achim(AT)HRZ.Uni-Bielefeld.DE)
approved