1,2

Table of n, a(n) for n=1..63.

a(4) is the 4th positive integer coprime to 4 and not among the first 3 terms of the sequence (i.e. the 4th term among 3, 9, 11, 13, 15,...).

Cf. A069213.

Sequence in context: A063187 A335164 A205323 * A088897 A255233 A074755

Adjacent sequences: A105051 A105052 A105053 * A105055 A105056 A105057

nonn

Leroy Quet, Apr 04 2005

More terms from John W. Layman, Apr 08 2005

approved