729316

Appears in sequences

• Smallest nontrivial extension of n-th square which is a square not ending 00.at n=26A030688
• Numbers n such that n and n^(1/2) combined use different digits.at n=21A059931
• a(n+1) is the smallest square > a(n) such that the digits of a(n) are all (with multiplicity) contained in the digits of a(n+1), with a(0)=1.at n=11A067713
• Squares whose digit reversal is a brilliant number (A078972).at n=28A115667
• a(n+1) is next smallest square not divisible by 10 beginning with a(n), initial term is 7.at n=2A249897
• Number of (n+2) X (4+2) 0..1 arrays with no 3 X 3 subblock diagonal sum one and no antidiagonal sum two.at n=6A254850
• Number of (n+2) X (7+2) 0..1 arrays with no 3 X 3 subblock diagonal sum one and no antidiagonal sum two.at n=3A254853
• a(n) is the start of the first occurrence of n consecutive perfect powers, all of which are squares with exponents equal to 2 (A111245).at n=14A340661
• Square numbers with distinct digits from 1-9 that have an initial string of two or more digits forming a square number.at n=9A383691