41151

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=35A071141
• 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=14A071143
• 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=34A071312
• a(n) = 49*n^2 - 2*n.at n=28A157362
• Number of n X 2 1..6 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in increasing order.at n=5A166817
• a(n) = n*(n + 7)*(n + 14)*(n + 21)/24.at n=22A264447
• Numbers k such that (482*10^k - 41)/9 is prime.at n=20A291923
• Rectangular table of coefficients T(k,n) in row functions R(k,x) = Sum_{n>=0} T(k,n)*x^n that satisfy the condition: Sum_{n>=0} x^n/(1 - x*R(k,x)^(n+k)) = Sum_{n>=0} x^n*R(k,x)^n/(1 - x*R(k,x)^(k*n+k-1)), for k >= 0, read here by antidiagonals.at n=65A340940
• G.f. A(x) satisfies: A(x) = (A(x) - x)*(1 - x*A(x)) * Sum_{n>=0} x^n/(1 - x*A(x)^n).at n=10A340941
• 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=21A383728