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Search: id:A000532
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| A000532 |
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Number of walks from NW corner of n X n array to SW corner. |
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+0
1
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| 1, 1, 2, 8, 86, 1770, 88418, 8934966, 2087813834, 1013346943033, 1111598871478668, 2568944901392936854, 13251059359839620127088, 145194816279817259193401518, 3524171261632305641165676374930
(list; graph; listen)
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OFFSET
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1,3
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COMMENT
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KeyTo9(AT)Fans in the link has generated 18 items (in 3.5 hours). - Du, Zhao Hui (zhao.hui.du(AT)gmail.com), Jul 08 2008
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LINKS
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KeyTo9(AT)Fans, Table of n, a(n) for n = 1..18
A. F. Moebius, Gesammelte Werke, vol. 1, Leipzig, S. Hirzel, 1885-87.
KeyTo9(AT)Fans, Chinese web page giving the sequence up to 18 items
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CROSSREFS
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Sequence in context: A134089 A136647 A052456 this_sequence A083831 A134245 A141313
Adjacent sequences: A000529 A000530 A000531 this_sequence A000533 A000534 A000535
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KEYWORD
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nonn
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AUTHOR
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Russ Cox (rsc(AT)swtch.com)
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EXTENSIONS
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More terms from Du, Zhao Hui (zhao.hui.du(AT)gmail.com), Jul 08 2008
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