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Search: id:A023441
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| A023441 |
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Dying rabbits: a(n) = a(n-1) + a(n-2) - a(n-11). |
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+0
1
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| 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 143, 231, 372, 600, 967, 1559, 2513, 4051, 6530, 10526, 16967, 27350, 44086, 71064, 114550, 184647, 297638, 479772, 773359, 1246601, 2009434, 3239068, 5221152, 8416134
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OFFSET
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0,4
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REFERENCES
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J. H. E. Cohn, Letter to the editor, Fib. Quart. 2 (1964), 108.
V. E. Hoggatt, Jr. and D. A. Lind, The dying rabbit problem, Fib. Quart. 7 (1969), 482-487.
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FORMULA
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G.f.: x/((x-1)*(1+x)*(x^9+x^7+x^5+x^3+x-1)). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 27 2009]
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CROSSREFS
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See A000045 for the Fibonacci numbers.
Sequence in context: A093089 A093091 A105471 this_sequence A023442 A000044 A107358
Adjacent sequences: A023438 A023439 A023440 this_sequence A023442 A023443 A023444
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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