1,2

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

S. S. Gupta, Smith Numbers.

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

Cf. A006753.

Sequence in context: A048357 A027766 A097299 this_sequence A098306 A055847 A143165

Adjacent sequences: A104167 A104168 A104169 this_sequence A104171 A104172 A104173

nonn

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Mar 10 2005