1,1

Cf. 2 X n A000079, n X 1 A000225, vertical path of 1 A069361-A069395, vertical paths of 0+1 A069396-A069416, vertical path of 1 not 0 A069417-A069428, no vertical paths A069429-A069447, no horizontal or vertical paths A069448-A069452.

Sequence in context: A159487 A130661 A049081 this_sequence A055629 A131751 A042863

Adjacent sequences: A069429 A069430 A069431 this_sequence A069433 A069434 A069435

nonn

Ron Hardin (rhhardin(AT)att.net), Mar 22 2002.