1000200

Appears in sequences

• Numbers k such that k^2 + 1 is a palindrome.at n=17A027719
• Related to diagonals of Pascal's triangle.at n=3A096885
• Numbers m that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (m raised to k+1 must not be a multiple). Case k=16.at n=12A135201
• a(n+1) is the least integer > a(n) containing all digits of a(n); a(1)=2.at n=33A155890
• Sum of any three adjacent digits of n^2 is a square.at n=50A174397
• Smallest n-Smith number.at n=11A195191
• Concatenate the positions of digits 9, 8,..., 0 in the decimal representation of n, using 1 for the rightmost digit etc., and 0 when the digit does not occur.at n=26A260521
• a(n) is the least positive x such that x^3 + x + n^2 is a perfect square, or 0 if no such x exists.at n=5A384100