1,2

Color in yellow the commas following an odd term. The number of digits between yellow commas is given by the sequence itself. This is a permutation of the natural numbers and the lexicographically earliest such sequence.

Robert Price, Table of n, a(n) for n = 1..10000

Sequence in context: A095424 A194507 A118316 * A080738 A032447 A224531

Adjacent sequences: A197753 A197754 A197755 * A197757 A197758 A197759

nonn,base

N. J. A. Sloane, Nov 29 2011, based on a posting to the Sequence Fans Mailing List by Eric Angelini, Nov 27 2011

a(28)-a(60) from Robert Price, Aug 22 2012

approved