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A076422 Decimal expansion of third solution of equation tan(x) = tanh(x). 2
1, 0, 2, 1, 0, 1, 7, 6, 1, 2, 2, 8, 1, 3, 0, 3, 0, 5, 4, 5, 4, 6, 8, 2, 0, 5, 5, 9, 4, 6, 5, 6, 5, 3, 9, 8, 2, 4, 9, 5, 3, 0, 5, 7, 9, 8, 9, 5, 5, 1, 3, 9, 1, 9, 2, 3, 3, 4, 8, 2, 1, 1, 1, 2, 5, 8, 1, 7, 5, 3, 1, 0, 7, 5, 1, 5, 7, 9, 1, 4, 0, 1, 0, 7, 6, 3, 9, 3, 0, 3, 5, 8, 5, 9, 5, 7, 6, 8, 2, 4, 2, 2, 8, 7, 0 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

2,3

COMMENTS

This is an equation related to a beam clamped at left and simply supported at right: tan(x) = tanh(x). The first three solutions are: 3.927 (A076420), 7.069 (A076421) and 10.21 (this sequence).

LINKS

Table of n, a(n) for n=2..106.

Z. Guede, I. Elishakov, A fifth-order polynomial that serves as both buckling and vibration mode of an inhomogeneous structure, Chaos, Solitons and Fractals 12 (7) (2001) 1267-1298.

EXAMPLE

tan(x) = tanh(x), x = 10.21...

CROSSREFS

Cf. A076420, A076421.

Sequence in context: A217653 A331161 A176887 * A295861 A058998 A085324

Adjacent sequences:  A076419 A076420 A076421 * A076423 A076424 A076425

KEYWORD

easy,nonn,cons

AUTHOR

Zak Seidov, Oct 10 2002

EXTENSIONS

Offset corrected by R. J. Mathar, Feb 05 2009

STATUS

approved

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Last modified July 10 15:45 EDT 2020. Contains 335577 sequences. (Running on oeis4.)