223587

Appears in sequences

• Numbers whose square can be expressed as the sum of two positive cubes in more than one way.at n=1A051302
• a(n) = (n+1)(n+2)^2*(n+3)^2*(n+4)(2n+5)/720.at n=11A114242
• a(n) = AlexanderPolynomial[n] defined as Det[Transpose[S]-n S] where S is Kronecker Product of two 2 X 2 Seifert matrices {{-1, 1}, {0, -1}} [X] {{-1, 1}, {0, -1}} = {{1, -1, -1, 1}, {0, 1, 0, -1}, {0, 0, 1, -1}, {0, 0, 0, 1}}.at n=22A138849
• Numbers n such that n^2 can be expressed as the sum of 2 positive cubes in exactly 2 different ways.at n=1A145553
• Numbers k with property that the sum of 70 successive primes starting with prime(k) is a square.at n=22A166255
• Numbers whose square is both a sum and a difference of two positive cubes.at n=32A230716
• n^2 * a(n) = 3*(3*n-2)^2 * a(n-1), with a(0) = 1.at n=5A276018
• Number of minimal total dominating sets in the n-pan graph.at n=43A303148