588245

Appears in sequences

• Numbers of the form 5^i*7^j with i, j >= 0.at n=36A003595
• Numbers whose prime factors are 5 and 7.at n=21A033851
• a(n) = (6*7^n + (-7)^n)/7.at n=7A083224
• a(n) = 5*7^n.at n=6A193577
• Expansion of g.f. (1-2*x)/(1-7*x).at n=7A196661
• Numbers k such that k*product_of_digits(k) is a nonzero cube.at n=23A229544
• Triangular array read by rows. T(n,k) is the number of labeled trees with black and white nodes having exactly k black nodes, n>=0, 0<=k<=n.at n=31A249632
• Triangular array read by rows. T(n,k) is the number of labeled trees with black and white nodes having exactly k black nodes, n>=0, 0<=k<=n.at n=32A249632
• a(n) = (2*sqrt(7)*sin(Pi/7))^n + (-2*sqrt(7)*sin(2*Pi/7))^n + (-2*sqrt(7)*sin(4*Pi/7))^n.at n=8A275830
• a(n) = 5*343^n.at n=2A324265
• a(n) is the position of the first occurrence of n in A323077.at n=23A334198
• Irregular triangle T(n, k) = Product_{i=1..n} prime(i)^(k mod prime(i)), with n >= 0, and 0 <= k < A002110(n), read by rows.at n=45A391933