Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 4500 articles have referenced us, often saying "we would not have discovered this result without the OEIS".
A105649
Smallest member of set of 4 consecutive numbers which are Smith numbers.
a(1)=4463535 because 4463535 is the smallest member of a set of 4 consecutive numbers which are Smith numbers i.e. four consecutive numbers 4463535,4463536,4463537,4463538 are all Smith numbers.