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Search: id:A163227
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A163227 Fibonacci-accumulation sequence +0
1
1, 1, 1, 2, 2, 4, 3, 7, 5, 12, 8, 20, 13, 33, 21, 54, 34, 88, 55, 143, 89, 232, 144, 376, 233, 609, 377, 986, 610, 1596, 987, 2583, 1597, 4180, 2584, 6764, 4181, 10945, 6765, 17710, 10946, 28656, 17711, 46367, 28657, 75024, 46368, 121392, 75025, 196417 (list; graph; listen)
OFFSET

1,4

COMMENT

Cumulation of A000045 and A000071

FORMULA

a(n)=2*a(n-2)-a(n-6); a(1,2,3)=1

CROSSREFS

A000071, A000045, A097110

Sequence in context: A007439 A096441 A100824 this_sequence A048675 A162474 A048676

Adjacent sequences: A163224 A163225 A163226 this_sequence A163228 A163229 A163230

KEYWORD

nonn

AUTHOR

Mark Dols (markdols99(AT)yahoo.com), Jul 23 2009

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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