A268690 A268642 with a(n+1) = 5*n if ceiling(a(n)/2) is already in the sequence.

1, 5, 3, 2, 10, 50, 25, 13, 7, 4, 20, 100, 500, 250, 125, 63, 32, 16, 8, 40, 200, 1000, 5000, 2500, 1250, 625, 313, 157, 79, 395, 198, 99, 495, 248, 124, 62, 31, 155, 78, 39, 195, 98, 49, 245, 123, 615, 308, 154, 77

Offset: 1

Author

David Seelmann, Feb 11 2016

Keywords

• nonn

Comments

It is conjectured that this is a permutation of the integers, along with any Seelmann sequence in which a(n+1) = M*n if the divide by 2 rule is not permitted, for any integer M>1 and not of the form M = 2^N.

Crossrefs

Cf. A268642.