3,1

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Various authors, Uncrossed knight's tours, J. Rec. Math., 2 (1969), 154-157.

L. D. Yarbrough, Uncrossed knight's tours, J. Rec. Math., 1 (No. 3, 1969), 140-142.

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

Illustration of initial terms

Sequence in context: A111925 A030723 A077166 this_sequence A018682 A078393 A100292

Adjacent sequences: A003189 A003190 A003191 this_sequence A003193 A003194 A003195

nonn,more,nice

N. J. A. Sloane (njas(AT)research.att.com).