48734

Appears in sequences

• Number of n-bead necklaces (turning over is allowed) where complements are equivalent.at n=22A000011
• Number of even sequences with period 2n (bisection of A000011).at n=11A000117
• Smallest integer m > n such that both n*m and (n+1)*(m+1) are squares.at n=14A212651
• Numbers k such that core(k+1) = core(k)+1 and k is not squarefree, where core(k) = A007913(k).at n=8A260198
• a(n) = n * (4*n + 3)^2.at n=14A322675
• The smallest of 3 consecutive integers such that the first is divisible by the square of a prime, the second is divisible by the cube of a prime, and the third is divisible by the fourth power of a prime.at n=33A349952
• Numbers k such that k and k+1 are both divisible by the square of their largest prime factor.at n=22A354558
• Numbers k such that one can make an equilateral triangle from a chain of linked rods of length 1, 2, 3, ..., k, with perimeter equal to the total length.at n=40A382632
• Numbers k such that sigma(k) = psi(k) + 2 * tau(k).at n=46A387962