950625

Appears in sequences

• a(n) = n^2*(n+1)^2*(n+2)/12.at n=25A004302
• Numbers that are the sum of 2 nonzero squares in exactly 7 ways.at n=17A025290
• Numbers that are the sum of 2 distinct nonzero squares in exactly 7 ways.at n=20A025308
• Squares which are the concatenation of two nonzero squares.at n=27A039686
• Numbers k such that k is a square and remains a square when its leading digit is increased by one.at n=6A067225
• 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=34A080026
• Left truncatable squares, ending in 5.at n=25A117246
• Squares which are concatenation of two positive squares with possible intervening zeros.at n=32A147608
• Squares that remain squares when prefixed with a 4.at n=7A167038
• Squares that remains a square when some single digit is inserted in front of its decimal expansion.at n=36A167045
• Number of n X 4 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=24A208138
• Square numbers not divisible by 100 that remain square when their most-significant (or leftmost) digit is removed.at n=31A247267
• Squares, without multiplicity, that are the concatenation of two integers (without leading zeros) the product of which is also a square.at n=29A258060
• Heinz numbers of integer partitions whose sum of reciprocals squared is 1.at n=4A318587