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, ...].
EXAMPLE
1.353389234117675841935...
MATHEMATICA
N[FromContinuedFraction[Flatten[Table[{1, 2*k}, {k, 1, 100}]]], 100] (* Vaclav Kotesovec, Nov 08 2019 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Steven Ricardo Villeda Marroquín, Sep 16 2019
STATUS
approved