35208

Appears in sequences

• Differences between two positive cubes in exactly 2 ways.at n=20A014440
• a(n) = (1/3)*(n^2 + 2*n + 3)*(n+1)^2.at n=17A014820
• Trajectory of 1 under map n->19n+1 if n odd, n->n/2 if n even.at n=27A033966
• Difference between two positive cubes in more than one way.at n=22A034179
• Trajectory of 3 under map n->19n+1 if n odd, n->n/2 if n even.at n=18A037107
• Numbers k such that 2^k - 1 is divisible by (k-1).at n=27A087965
• Number of 3-dimensional partitions of n up to conjugacy.at n=18A119266
• Take apart the sides of each of the integer-sided triangles with perimeter n (at their vertices) and rearrange them orthogonally in 3-space so that their endpoints coincide at a single point. a(n) is the total surface area of all rectangular prisms enclosed in this way.at n=38A308236
• Consider all 3 X 3 matrices M whose entries are the n-th to (n+8)-th primes prime(n), ..., prime(n+8), in any order. a(n) is the sum of the number of M such that det(M) is divisible by prime(n+i), for i from 0 to 8.at n=21A339105