0,2

The sequence is infinite and the pattern is visible after a(7): a(2n) = 2*a(2n-1) and a(2n+1) = 5*a(2n) n > 3.

Table of n, a(n) for n=0..10.

Cf. A079839.

Sequence in context: A264791 A290851 A290670 * A109912 A079845 A278995

Adjacent sequences: A079835 A079836 A079837 * A079839 A079840 A079841

base,nonn

Amarnath Murthy, Feb 15 2003

approved