1,1
A005418 is the solution for the problem in the (1,n)-rectangular grid
Cf. A005418, A034851.
Sequence in context: A148655 A148656 A054718 this_sequence A109155 A081072 A000717
Adjacent sequences: A132387 A132388 A132389 this_sequence A132391 A132392 A132393
hard,more,nonn
Yosu Yurramendi (yosu.yurramendi(AT)ehu.es), Aug 26 2008
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