64125

Appears in sequences

• Digits d in decimal expansion of n replaced with d^3.at n=45A048390
• Least integers that satisfy sum(n>0,1/a(n)^z)=0, where a(1)=1, a(n+1)>a(n) and z=I*2.at n=10A084816
• a(n) is the least K such that K*6*M(n) - 1 and K*6*M(n) + 1 are twin primes, where M(n) = n-th Mersenne prime.at n=16A126612
• a(n) = 3^n*Sum_{ k=0..n } binomial(2*k,k)/3^k.at n=8A132310
• Deficient numbers n having a companion m > n such that sigma(n)/n = sigma(m)/m.at n=38A212608
• Number of partitions of n such that neither the number of parts nor the number of distinct parts is a part.at n=47A241380
• Number of partitions of n such that (number parts having multiplicity 1) is a part or (number of parts > 1) is a part.at n=45A241515
• Triangle read by rows: number of spanning trees obtained for an almost-complete bipartite graph by removing k disjoint edges from the complete bipartite graph K n,n with k<=n.at n=13A260383
• Iterates of A234742, starting from value a(0) = 1361, with a(1) = A234742(a(0)), a(2) = A234742(a(1)), etc.at n=4A260441
• a(n) = Sum_{k=0..floor(n/2)} Catalan(n-2*k).at n=11A360273
• a(n) = L(2*n+1)+4*n+2.at n=11A382656