A197756 The Yellow Comma sequence.

1, 2, 3, 4, 6, 5, 8, 10, 7, 12, 14, 11, 16, 18, 9, 20, 22, 24, 13, 26, 28, 30, 32, 15, 34, 36, 101, 38, 40, 42, 44, 46, 17, 48, 50, 52, 54, 56, 58, 19, 60, 62, 64, 66, 103, 68, 70, 72, 74, 76, 78, 80, 21, 82, 84, 86, 88, 90, 92, 94

Offset

1,2

Comments

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.

Links

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

Crossrefs

Sequence in context: A095424 A194507 A118316 * A080738 A032447 A224531

Adjacent sequences: A197753 A197754 A197755 * A197757 A197758 A197759

Keyword

nonn,base

Author

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

Extensions

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

Status

approved