54131

Appears in sequences

• Quasi-Carmichael numbers to base 3: squarefree composites n such that prime p|n ==> p-3|n-3.at n=17A029560
• Numbers n such that (i) the sum of the distinct primes dividing n is divisible by the largest prime dividing n and (ii) n has exactly 4 distinct prime factors and (iii) n is squarefree.at n=21A071143
• a(n) = n^3 - n*(n+1)/2.at n=38A160378
• Numbers n such that the sum of the distinct prime divisors of n that are congruent to 1 mod 4 equals the sum of the distinct prime divisors congruent to 3 mod 4.at n=33A215949
• G.f.: (1+8*x+22*x^2+8*x^3+x^4)/(1-x)^6.at n=10A220892
• Degeneracies of entanglement witness eigenstates for n spin 5 irreducible representations.at n=8A272395
• Numbers that are the sum of six fourth powers in six or more ways.at n=19A345563
• Numbers that are the sum of six fourth powers in exactly six ways.at n=14A345818
• Varma's Kosta numbers of semi-standard tableaux: array A(n>=2, k>=0) read by rising antidiagonals.at n=71A348210
• a(n) is the total number of runs of ascents over all flattened Catalan words of length n.at n=9A372852
• Numbers k such that omega(k) = 4 and the largest prime factor of k equals the sum of its remaining distinct prime factors, where omega(k) = A001221(k).at n=34A383728