A094234 a(n) = period of terms in continued fraction expansion of 2^n*tanh(1).

1, 5, 10, 32, 76, 184, 408, 944, 2088, 4680, 10168, 22192, 47952

Offset

0,2

Links

Table of n, a(n) for n=0..12.

Example

E.g. tanh(1)=[0,1,3,5,7,9,...] pattern being /2n+1/ (length=1), so a(1) = 1.

Crossrefs

Sequence in context: A174467 A005201 A221304 * A052538 A240413 A304215

Adjacent sequences: A094231 A094232 A094233 * A094235 A094236 A094237

Keyword

nonn,more

Author

Thomas Baruchel, Jun 03 2004

Extensions

More terms from Thomas Baruchel, Aug 26 2004

Status

approved