2,2

lim_{n -> infinity} b(n)/b(n-1) = 1/imag((15+2*I)^(1/2))^2 for b = A154597.

Contribution from Klaus Brockhaus, May 28 2010: (Start)

Also decimal expansion of (15+sqrt(229))/2.

Continued fraction expansion of (15+sqrt(229))/2 is A010854. (End)

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

1/imag((15+2*I)^(1/2))^2 = 15.06637297521077796....

A154597, A166125 (decimal expansion of sqrt(229)).

Cf. A010854 (all 15's sequence). [From Klaus Brockhaus, May 28 2010]

Sequence in context: A330864 A144483 A098403 * A265011 A320375 A200419

Adjacent sequences: A166123 A166124 A166125 * A166127 A166128 A166129

cons,nonn

Klaus Brockhaus, Oct 07 2009

approved