45080

Appears in sequences

• Cyclotomic polynomials Phi_n at x=phi, floored down (where phi = tau = (sqrt(5)+1)/2).at n=35A063703
• a(n) = 12167n - 3588.at n=3A156846
• Triangular array read by rows: T(n,k) is the number of forests of rooted trees on n labeled nodes with exactly k isolated nodes; n>=0, 0<=k<=n.at n=39A219034
• Number of partitions n such that the multiplicity of the number of odd parts is a part.at n=50A240541
• Lesser of amicable pair m < n defined by t(n) = m and t(m) = n where t(n) = psi(n) - n and psi(n) = A001615(n) is the Dedekind psi function.at n=22A323329
• a(n) is the number of edges formed by n-secting the angles of a decagon.at n=35A335802
• Numbers k such that k*A001414(k)+1 is the square of a prime.at n=30A343141
• Number of unordered triples of self-avoiding paths whose sets of nodes are disjoint subsets of a set of n points on a circle; one-node paths are allowed.at n=7A361285
• Triangle of coefficient of the series reversion in t of the power series (exp(log(1+t*x)/x)-1)*exp(-t) as an e.g.f.at n=24A364708
• Triangle read by rows: T(n,k) is the number of sets of noncrossing paths of size k whose nodes are a subset of n nodes arranged in a circle with one node paths allowed, 0 <= k <= n.at n=39A390897