484950

Appears in sequences

• Concatenate the consecutive increasing numbers starting with Harshad(n) and ending with Harshad(n+1).at n=21A112131
• Numbers n such that k times the sum of the digits (d) to the power k equal n, so n=k*sum(d^k), for some positive integer k, where k is smaller than sum(d^k).at n=11A257814
• List the positive integers but erase commas between terms if the digits just before and just after the comma have the same parity.at n=28A365822