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Search: id:A069007
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| A069007 |
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Let M denote the 6 X 6 matrix with rows /1,1,1,1,1,1/1,1,1,1,1,0/1,1,1,1,0,0/1,1,1,0,0,0/1,1,0,0,0,0/1,0,0,0,0,0/ and A(n) the vector (x(n),y(n),z(n),t(n),u(n),v(n)) = M^n*A where A is the vector (1,1,1,1,1,1); then a(n) = y(n). |
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+0
5
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| 1, 5, 20, 85, 350, 1456, 6034, 25038, 103849, 430794, 1786960, 7412548, 30748055, 127546530, 529077571, 2194674687, 9103762600, 37763453591, 156647144355, 649790354877, 2695405055655, 11180849888139, 46379450073255
(list; graph; listen)
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OFFSET
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0,2
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CROSSREFS
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Cf. A006359, A069007, A069008, A069009, A070778, A006359 (offset), for x(n), y(n), z(n), t(n), u(n), v(n).
Sequence in context: A002213 A099949 A006231 this_sequence A126987 A045499 A145932
Adjacent sequences: A069004 A069005 A069006 this_sequence A069008 A069009 A069010
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KEYWORD
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easy,nonn
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AUTHOR
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Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 02 2002
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EXTENSIONS
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Edited by Henry Bottomley (se16(AT)btinternet.com), May 06 2002.
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