0,4

Table of n, a(n) for n=0..74.

Ron Knott, Fibonacci Numbers, the Golden Section and the Golden String.

Eric Weisstein's World of Mathematics, Golden Ratio.

a(n) = round(n*phi) where phi is the smaller golden ratio value, .618033988749895....

(PARI) a(n) = round(n*(sqrt(5)-1)/2); \\ Michel Marcus, May 23 2020

Cf. A007067, A001622, A099267, A029922.

Sequence in context: A112318 A078489 A194179 * A005379 A029922 A020915

Adjacent sequences: A101800 A101801 A101802 * A101804 A101805 A101806

nonn

Casey Mongoven, Jan 27 2005

approved