A239088 - OEIS

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A239088

The sequence S = a(1), a(2), ... is defined by a(1)=1, if d,e,f are consecutive digits then we do not have d > e > f, and S is always extended with the smallest integer not yet present in S.

0

1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 10, 12, 13, 14, 15, 16, 17, 18, 19, 22, 20, 21, 23, 24, 25, 26, 27, 28, 29, 33, 30, 31, 32, 34, 35, 36, 37, 38, 39, 44, 40, 41, 42, 43, 45, 46, 47, 38, 49, 55, 50, 51, 52, 53, 54, 56, 57, 58, 59, 66, 60, 61, 62, 63, 64, 65, 67, 68, 69, 77, 70

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Computed by Lars Blomberg.

REFERENCES

Eric Angelini, Posting to Sequence Fans Mailing List, Sep 28 2013

LINKS

Table of n, a(n) for n=1..71.

Eric Angelini, Less than <, Equal to =, Greater than > (see sequence Sm)

Eric Angelini, Less than <, Equal to =, Greater than > [Cached copy, with permission of the author]

CROSSREFS

The sequences in this family are given in A239083-A239086, A239136-A239139, A239087-A239090, A239215-A239218, A239235.

Sequence in context: A363038 A127288 A127287 * A162344 A283962 A335133

Adjacent sequences: A239085 A239086 A239087 * A239089 A239090 A239091

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Mar 11 2014

STATUS

approved