328329

Appears in sequences

• Squares that are concatenations of two consecutive nonzero numbers.at n=1A030466
• Squares with an even number of digits, the respective halves of which are consecutive integers.at n=2A064014
• Numbers k having exactly one divisor d such that in binary representation d and k/d have the same number of 1's as k.at n=23A080026
• Squares arising in A085039. n-th partial sum of A085039.at n=25A085040
• Squares k such that k - 2 and k + 2 are prime.at n=16A144938
• Squares that become a prime number when prefixed with a 5.at n=15A167720
• Number of nX6 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically.at n=4A207856
• T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically.at n=49A207858
• Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically.at n=5A207860
• a(n) is the end of the first occurrence of n consecutive perfect powers, all of which are squares with exponents equal to 2 (A111245).at n=12A340662