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A076421 Decimal expansion of second solution to tan(x) = tanh(x). 2
7, 0, 6, 8, 5, 8, 2, 7, 4, 5, 6, 2, 8, 7, 3, 2, 0, 8, 8, 5, 5, 2, 9, 5, 8, 9, 2, 7, 5, 4, 6, 6, 6, 5, 3, 7, 6, 4, 3, 7, 6, 4, 7, 5, 5, 0, 0, 6, 4, 2, 3, 5, 6, 4, 4, 0, 5, 9, 4, 3, 7, 7, 5, 4, 3, 4, 5, 0, 1, 3, 4, 3, 0, 5, 6, 6, 0, 8, 6, 9, 3, 9, 5, 4, 0, 8, 4, 7, 5, 2, 6, 1, 5, 2, 2, 3, 6, 6, 0, 8, 3, 8, 2, 0, 4 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

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), 7.0686 (this sequence) and 10.21 (A076422).

LINKS

Table of n, a(n) for n=1..105.

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 = 7.0686....

CROSSREFS

Cf. A076420, A076422.

Sequence in context: A021590 A094241 A021938 * A196763 A321106 A225457

Adjacent sequences:  A076418 A076419 A076420 * A076422 A076423 A076424

KEYWORD

easy,nonn,cons

AUTHOR

Zak Seidov, Oct 10 2002

STATUS

approved

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Last modified July 5 04:30 EDT 2020. Contains 335459 sequences. (Running on oeis4.)