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Search: id:A054323
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| A054323 |
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Fifth column of Lanczos triangle A053125 (decreasing powers). |
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+0
2
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| 5, 140, 2016, 21120, 183040, 1397760, 9748480, 63504384, 392232960, 2321285120, 13264486400, 73610035200, 398475657216, 2111580405760, 10984378859520, 56221121904640, 283661115064320, 1413061420253184, 6959221409054720
(list; graph; listen)
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OFFSET
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0,1
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REFERENCES
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C. Lanczos, Applied Analysis. Prentice-Hall, Englewood Cliffs, NJ, 1956, p. 518.
Theodore J. Rivlin, Chebyshev polynomials: from approximation theory to algebra and number theory, 2. ed., Wiley, New York, 1990.
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LINKS
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Index entries for sequences related to Chebyshev polynomials.
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FORMULA
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a(n) =(4^n)*binomial(2*n+5, 4)= A053125(n+4, 4).
G.f.: (5+40*x+16*x^2)/(1-4*x)^5.
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CROSSREFS
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Cf. A053125, A054322.
Bisection of A080951.
Sequence in context: A103235 A061463 A091058 this_sequence A061320 A136464 A006269
Adjacent sequences: A054320 A054321 A054322 this_sequence A054324 A054325 A054326
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KEYWORD
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nonn,easy
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AUTHOR
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Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)
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