1,2

J.-P. Bode and H. Harborth, Independence for knights on hexagon and triangle boards, Discrete Math., 272 (2003), 27-35.

Cf. A087327, A087328.

Sequence in context: A050066 A050064 A137894 this_sequence A011959 A049927 A137417

Adjacent sequences: A087326 A087327 A087328 this_sequence A087330 A087331 A087332

nonn

njas, Oct 21 2003