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A072957 Urban numbers: without r, or u. 1
1, 2, 5, 6, 7, 8, 9, 10, 11, 12, 15, 16, 17, 18, 19, 20, 21, 22, 25, 26, 27, 28, 29, 50, 51, 55, 56, 57, 58, 59, 60, 61, 62, 65, 66, 67, 68, 69, 70, 71, 72, 75, 76, 77, 78, 79, 80, 81, 82, 85, 86, 87, 88, 89, 90, 91, 92, 95, 96, 97, 98, 99, 1000000, 1000001, 1000002 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

M. J. Halm, Sequences (Re)discovered, Mpossibilities 81 (Aug. 2002).

LINKS

Table of n, a(n) for n=1..65.

CROSSREFS

Sequence in context: A039239 A039182 A039135 * A073416 A138100 A039097

Adjacent sequences:  A072954 A072955 A072956 * A072958 A072959 A072960

KEYWORD

easy,nonn,word

AUTHOR

Michael Joseph Halm, Aug 13 2002

STATUS

approved

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Last modified May 23 08:03 EDT 2017. Contains 286909 sequences.