57475

Appears in sequences

• Structured rhombic triacontahedral numbers (vertex structure 7).at n=18A100165
• Records for minima of the positive distance d between the seventh power of a positive integer x and the square of an integer y such that d = x^7 - y^2 (x <> k^2 and y <> k^7).at n=11A179784
• Triangular array read by rows: T(n,k) is the number of ways to partition an n-set into exactly k blocks and then partially order the blocks, n>=1, 1<=k<=n.at n=38A247231
• p-INVERT of the positive integers, where p(S) = 1 - S^5.at n=13A290893
• p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - S^5.at n=27A291218
• Numbers n such that psi(n) = 2*phi(n).at n=30A292390
• a(n) = Product_{d|n, d>1} prime(1+(d mod 12)).at n=27A320112
• Number of ways to write n as an ordered sum of ten positive Fibonacci numbers (with a single type of 1).at n=12A357730