A090908 Terms a(k) of A073869 for which a(k) is distinct from a(k-1).

1, 3, 4, 6, 8, 9, 11, 12, 14, 16, 17, 19, 21, 22, 24, 25, 27, 29, 30, 32, 33, 35, 37, 38, 40, 42, 43, 45, 46, 48, 50, 51, 53, 55, 56, 58, 59, 61, 63, 64, 66, 67, 69, 71, 72, 74, 76, 77, 79, 80, 82, 84, 85, 87, 88, 90, 92, 93, 95, 97, 98, 100, 101, 103, 105, 106, 108, 110, 111

Offset

1,2

Comments

Is this the same as A000201?

The answer is yes: see A090909. - Michel Dekking, Dec 19 2024

Links

Table of n, a(n) for n=1..69.

F. M. Dekking, On Hofstadter's G-sequence, Journal of Integer Sequences 26 (2023), Article 23.9.2, 1-11.

Formula

See A000201.

Example

A073869 = A005206 = 0,1,1,2,3,3,4,4,5,6,6,... The pair (1,2) occurs at k = 3.

Crossrefs

Cf. A002251, A005206, A073869, A090909, A000201.

Sequence in context: A330063 A066096 A000201 * A292644 A000202 A188035

Adjacent sequences: A090905 A090906 A090907 * A090909 A090910 A090911

Keyword

nonn

Author

Amarnath Murthy, Dec 14 2003

Extensions

More terms from R. J. Mathar, Sep 29 2017

Name corrected by Michel Dekking, Dec 19 2024

Status

approved