A073416 Harmless numbers: numbers without a, h, m or r.

1, 2, 5, 6, 7, 8, 9, 10, 11, 12, 15, 16, 17, 18, 19, 20, 29, 50, 51, 52, 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, 1000000000, 1000000001, 1000000002

Offset

1,2

Comments

These number differ from A039135 (numbers with same number of 3's and 4's) only in the 17th term and from A072957 (urban numbers without r or u) in the 64th term.

References

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

Links

Table of n, a(n) for n=1..60.

Example

a(3) = 5 because 5 is the third integer without an a, h, m or r.

Crossrefs

Cf. A039135, A072957.

Sequence in context: A039182 A039135 A072957 * A138100 A039097 A047581

Adjacent sequences: A073413 A073414 A073415 * A073417 A073418 A073419

Keyword

easy,nonn,word

Author

Michael Joseph Halm, Aug 23 2002

Status

approved