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Search: id:A151282
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| A151282 |
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Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 0), (0, 1), (1, 1)} |
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+0
1
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| 1, 2, 6, 18, 58, 190, 638, 2170, 7474, 25974, 90982, 320738, 1137002, 4049838, 14485326, 52001290, 187292514, 676546790, 2450311862, 8895769714, 32366225562, 117995832990, 430960312862, 1576675041434, 5777325893266, 21200338220630, 77901645076998, 286615385651970, 1055762834791114, 3893279267979662
(list; graph; listen)
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