OFFSET
0,3
REFERENCES
D. H. Lehmer, Guide to Tables in the Theory of Numbers. Bulletin No. 105, National Research Council, Washington, DC, 1941, p. 67.
P. Seeling, Verwandlung der irrationalen Groesse ... in einen Kettenbruch, Archiv. Math. Phys., 46 (1866), 80-120.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
EXAMPLE
1 + 1/(1 + 1/(2 + 1/(2 + 1/4))) = 53/31 so a(5) = 31.
PROG
(PARI) a(n)=if(n<1, 0, contfracpnqn(contfrac(5^(1/3), n))[2, 1])
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
EXTENSIONS
More terms from Herman P. Robinson
Offset changed by Andrew Howroyd, Jul 04 2024
STATUS
approved