71148

Appears in sequences

• Coordination sequence for 4-dimensional face-centered cubic orthogonal lattice.at n=22A008529
• Numbers n such that n*sigma(n) is a perfect square.at n=20A069070
• a(n) = (n+1)(n+2)^2*(n+3)^2*(n+4)(11n^4 + 110n^3 + 439n^2 + 820n + 600)/86400.at n=5A107965
• Nonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+647)^2 = y^2.at n=8A130013
• Multiplicative order of 2 in Z/mZ with m=A104017(n).at n=43A165139
• If p and q are twin primes then pq + 1 is always divisible by 3, except for (p,q)=(3,5). Sequence gives values of (pq + 1)/3.at n=22A165280
• Number of arrangements of 3 nonzero numbers x(i) in -n..n with the sum of trunc(x(i)/x(i+1)) equal to zero.at n=35A189546
• Least positive integer k such that prime(prime(k)), prime(prime(k*n)), prime(p) and prime(q) form a 4-term arithmetic progression for some pair of primes p and q.at n=22A261462
• Number of partitions of n such that each part is no more than 4 more than the sum of all smaller parts.at n=44A286097