302500

Appears in sequences

• Squares of even pentagonal pyramidal numbers.at n=7A014800
• Squares such that digits of sqrt(n) appear in both n and n^(3/2).at n=34A029781
• Squares which are palindromes in base 7.at n=19A029993
• Squares that are the sum of two consecutive primes.at n=35A062703
• Squares arising in A063076.at n=15A063082
• a(1) = 1; a(n) is the smallest square > a(n-1) which differs from it at every digit.at n=38A068854
• Squares containing 2k digits in which the sum of the first k digits = that of the rest.at n=13A068897
• Squares such that the sum of two neighboring term is also a square.at n=16A072471
• Perfect powers pp(n) with perfect power index n.at n=33A075433
• Squares for which both the sum of the digits and the product of the digits is a triangular number.at n=31A118490
• Squares that remain squares when prefixed with a 9.at n=3A167044
• Squares that remains a square when some single digit is inserted in front of its decimal expansion.at n=29A167045
• Smallest number m such that A174903(m) = n.at n=38A174904
• Number of (n+2) X 3 binary arrays avoiding patterns 001 and 011 in rows and columns.at n=15A202093
• Triangle T(n,k) read by rows: T(n,k) is the number of unrooted hypertrees on n labeled vertices with k hyperedges, n >= 2, 1 <= k <= n-1.at n=38A210587
• Square numbers that remain square when their most-significant (or leftmost) digit is removed.at n=41A225885
• Number of (n+1)X(2+1) 0..1 arrays with nondecreasing sum of every two consecutive values in every row and column.at n=16A250426
• Squares whose largest digit is 5.at n=36A295015
• Number of minimum total dominating sets in the n-Moebius ladder.at n=54A303046
• Numbers that can be expressed as x+2y+z such that x, y, z, x+y, y+z, and x+2y+z are all positive squares.at n=26A307481