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A116904
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Number of n-step self-avoiding walks on the upper 4 octants grid starting at origin.
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0
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1, 5, 21, 93, 409, 1853, 8333, 37965, 172265, 787557, 3593465, 16477845, 75481105, 346960613, 1593924045
(list; graph; refs; listen; history; internal format)
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