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Search: id:A039948
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A039948 A triangle related to A000045 (Fibonacci numbers). +0
5
1, 1, 1, 4, 2, 1, 18, 12, 3, 1, 120, 72, 24, 4, 1, 960, 600, 180, 40, 5, 1, 9360, 5760, 1800, 360, 60, 6, 1, 105840, 65520, 20160, 4200, 630, 84, 7, 1, 1370880, 846720, 262080, 53760, 8400, 1008, 112, 8, 1, 19958400, 12337920, 3810240 (list; graph; listen)
OFFSET

0,4

COMMENT

E.g.f. for column m: x^m/(m!*(1-x-x^2)), m >= 0.

REFERENCES

P.R. J. Asveld, Fibonacci-like differential equations with a polynomial nonhomogeneous term, Fib. Quart. 27 (1989), 303-309

FORMULA

a(n, m)= n!*Fib.(n-m+1)/m!, n >= m >= 0.

CROSSREFS

Cf. A005442, A005443.

Sequence in context: A143777 A152391 A144088 this_sequence A111536 A111559 A152406

Adjacent sequences: A039945 A039946 A039947 this_sequence A039949 A039950 A039951

KEYWORD

nonn

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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