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

1,2

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.

Links

Table of n, a(n) for n=1..49.

Crossrefs

Cf. A268642.

Sequence in context: A352024 A176524 A309276 * A065627 A377470 A193958

Adjacent sequences: A268687 A268688 A268689 * A268691 A268692 A268693

Keyword

nonn

Author

David Seelmann, Feb 11 2016

Status

approved