106590

Appears in sequences

• Products of exactly 6 distinct primes.at n=23A067885
• Numbers n such that sum of distinct primes dividing n is divisible by the largest prime dividing n. Also n has exactly 6 distinct prime factors and n is squarefree.at n=1A071145
• Numbers with six distinct prime divisors.at n=30A074969
• Sum of squares of tribonacci numbers (A000073).at n=12A107239
• The 3rd Witt transform of A000217.at n=17A147618
• Denominators of row sums of the triangle (lower triangular matrix) log(F) with F:=A037027 (Fibonacci convolution matrix).at n=20A181350
• Numbers k such that the sum of the distinct prime divisors of k equals three times the largest prime divisor of k.at n=8A200090
• Expansion of -2*x*(1+4*x) / ((2*x-1)*(4*x^2+3*x+1)).at n=17A200563
• Numbers m having greatest prime power divisor d such that d is smaller than the difference between m and the largest prime smaller than m and d is smaller than the difference between m and twice the largest prime smaller than m/2.at n=22A290290
• Number of squares and rectangles in the interior of the square with vertices (n,0), (0,n), (-n,0) and (0,-n) in a square (x,y)-grid.at n=19A330805
• Numbers k > 2 such that omega(k) > log(log(k)) + 2 * sqrt(log(log(k))), where omega(k) is the number of distinct primes dividing k (A001221).at n=33A336910
• Numbers such that the sum of prime factors without repetition divides the product of prime factors without repetition and each division yields a greater quotient.at n=26A380487