613089

Appears in sequences

• Squares of odd heptagonal numbers.at n=9A014773
• a(1) = 1; a(n) is the smallest square > a(n-1) which differs from it at every digit.at n=41A068854
• a(n) = (4*n^2 - 1)^2.at n=14A069075
• a(n)=n^2 times nearest cube to n^2.at n=29A077112
• a(n) = ( n*(n+2) )^2.at n=27A099761
• a(n) = (29*n)^2.at n=27A133496
• Squares that become a prime number when prefixed with a 5.at n=26A167720
• Squares that become prime numbers when prefixed with an 8.at n=31A167723
• Denominator of 1/n^2-1/(n+2)^2.at n=27A171522
• Number of n X 4 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically.at n=26A208114
• a(n) = Sum_{k=0..floor(n/3)} 2^(n-3*k) * binomial(2*k+1,2*n-6*k).at n=30A387650