A104170 Number of Smith numbers below 10^n.

1, 6, 49, 376, 3294, 29928, 278411, 2632758, 25154060, 241882509, 2335807857, 22635291815, 219935518608

Offset: 1

Author

Shyam Sunder Gupta, Mar 10 2005

Keywords

• nonn
• base
• hard
• more

Examples

			a(4)=376 because number of Smith number below 10^4 is 376.
		

References

• S. S. Gupta, Smith Numbers, Mathematical Spectrum, 37 (2004/5), 27-29.

Links

• S. S. Gupta, Smith Numbers.

Crossrefs

Cf. A006753.

Extensions

a(11), a(12) from Max Alekseyev, Jan 20 2010

a(13) from Max Alekseyev, Oct 01 2010