374544

Appears in sequences

• Squares such that digits of sqrt(n) are not present in n^(3/2).at n=18A029788
• a(n) = (2*n*(n+1))^2.at n=17A060300
• Numbers k such that the numerator of Sum_{d|k} 1/d > 3*k.at n=21A069096
• Square numbers which equal a triangular number times an odd number between 1 and 15.at n=16A094973
• Perfect squares one less than a triangular number.at n=4A164080
• Denominator of 1/n^2-1/(n+2)^2.at n=34A171522
• G.f.: 1 = Sum_{n>=0} a(n)*x^n * Sum_{k=0..n+1} C(n+1,k)^2*(-x)^k.at n=6A180716
• Numbers with prime factorization p^2*q^4*r^4 where p, q, and r are distinct primes.at n=7A190471
• Numbers m such that, in the prime factorization of m, the product of the exponents equals the sum of prime factors and exponents.at n=34A231231
• Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.at n=14A258886
• Squares that differ from a triangular number by 1.at n=12A299921
• Perfect powers that appear more than once in the Catalan triangle.at n=5A317027
• Squares of numbers divisible by the squares of two distinct primes.at n=29A378900
• Squares in A378769.at n=11A378984
• Powers k^m divisible by at least 2 cubes greater than 1, with m > 1 and nonsquarefree weak k (in A332785).at n=32A392098