A059754 Smallest term in any sequence of n consecutive Smith numbers (A006753).

4, 728, 73615, 4463535, 15966114, 2050918644, 164736913905, 8090674745553

Offset

1,1

References

R. K. Guy, Unsolved Problems in Number Theory, Section B49.

Samuel Yates, Smith Numbers Congruent to 4 (Mod 9), Journal of Recreational Mathematics, Vol. 19(2), 1987.

Links

Table of n, a(n) for n=1..8.

C. Rivera, Source

Example

The third number is 73615 since 73615, 73616, 73617 is the first example of 3 consecutive Smith numbers.

Crossrefs

Cf. A006753.

Sequence in context: A219012 A370449 A364632 * A134579 A090588 A053986

Adjacent sequences: A059751 A059752 A059753 * A059755 A059756 A059757

Keyword

hard,nonn,base,more

Author

Shyam Sunder Gupta, Feb 11 2001

Extensions

a(6) from Carlos Rivera, Dec 19 2003

a(7) from Jens Kruse Andersen. Max Alekseyev, Apr 21 2010

a(8) from Max Alekseyev, Oct 11 2010

Status

approved