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Search: id:A015591
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A015591 Linear 2nd order recurrence. +0
1
0, 1, 10, 109, 1180, 12781, 138430, 1499329, 16239160, 175885561, 1905008050, 20633050549, 223475577940, 2420453234341, 26215812544870, 283942204557769, 3075364358481520, 33309123425835121 (list; graph; listen)
OFFSET

0,3

FORMULA

a(n) = 10 a(n-1) + 9 a(n-2).

CROSSREFS

Sequence in context: A015589 A059524 A024527 this_sequence A078922 A082181 A095740

Adjacent sequences: A015588 A015589 A015590 this_sequence A015592 A015593 A015594

KEYWORD

nonn,easy

AUTHOR

Olivier Gerard (ogerard(AT)ext.jussieu.fr)

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.


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