A327555 Decimal expansion of number with continued fraction expansion [1; 2, 1, 4, 1, 6, 1, 8, 1, 10, 1, ...].

1, 3, 5, 3, 3, 8, 9, 2, 3, 4, 1, 1, 7, 6, 7, 5, 8, 4, 1, 9, 3, 5, 7, 0, 8, 9, 0, 5, 7, 6, 0, 4, 8, 7, 2, 7, 2, 2, 0, 0, 5, 0, 7, 5, 8, 4, 3, 3, 1, 5, 8, 4, 3, 6, 9, 4, 1, 2, 5, 2, 5, 4, 5, 6, 6, 1, 2, 2, 3, 8, 4, 2, 2, 7, 4, 1, 8, 0

Offset

1,2

Comments

The continued fraction with even numbers and 1 alternated in opposition to A049471, that is, tan(1): [1; 1, 1, 3, 1, 5, 1, 7, 1, 9, 1, ...].

Links

Table of n, a(n) for n=1..78.

Example

1.353389234117675841935...

Mathematica

N[FromContinuedFraction[Flatten[Table[{1, 2*k}, {k, 1, 100}]]], 100] (* Vaclav Kotesovec, Nov 08 2019 *)

Crossrefs

Cf. A049471, A093178.

Sequence in context: A175019 A097519 A133773 * A346915 A077934 A077950

Adjacent sequences: A327552 A327553 A327554 * A327556 A327557 A327558

Keyword

nonn,cons

Author

Steven Ricardo Villeda Marroquín, Sep 16 2019

Status

approved