41615

Appears in sequences

• Numbers n such that sum of distinct primes dividing n is divisible by the largest prime dividing n. Also n is neither a prime, nor a true power of prime and n is squarefree. Squarefree solutions of A071140.at n=36A071141
• 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=15A071143
• Squarefree numbers k such that the largest prime factor of k is equal to the sum of the other prime factors of k.at n=35A071312
• a(n) is the least number k that A074389(k) = n.at n=34A074390
• Numbers k that have no zero digits and such that both k+1 and (product of digits of k) + 1 are squares.at n=20A081990
• a(n) = 36n^2 - 1.at n=33A136017
• a(n) = n^3 - n^2 - n.at n=35A152015
• Numbers 41*k such that 41*k+2 and 41*k-6 are both prime.at n=12A153822
• Numbers n such that sigma(n)/phi(n) = 9/4.at n=6A164646
• a(n) = (8*n+3)*(8*n+5).at n=25A177065
• The Wiener index of the windmill graph D(6,n). The windmill graph D(m,n) is the graph obtained by taking n copies of the complete graph K_m with a vertex in common (i.e., a bouquet of n pieces of K_m graphs).at n=40A180577
• Number of Carmichael numbers between 2^n and 2^(n+1).at n=50A182490
• Squarefree numbers k such that alpha(k) = lambda(k), where alpha(k) = LCM of all (p+1) for primes p dividing k, and lambda(k) = A002322(k).at n=9A287514
• For the numbers k that can be expressed as k = w+x = y*z with w*x = (y+z)^2 where w, x, y, and z are all positive integers, this sequence gives the corresponding values of y+z.at n=39A343860
• 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=22A383728