130896

Appears in sequences

• Numbers k which are concatenations k = x//y such that x^2 - y^2 is a multiple of k.at n=8A162701
• Numbers with 50 divisors.at n=30A175756
• Numbers with prime factorization pq^4r^4.at n=29A190012
• Number of line segments in an H tree with n levels that have no correspondence with the toothpicks of the toothpick structure of A139250 after n-th stage.at n=17A220499
• Number of partitions of 1 into exactly 10*n+1 powers of 1/11.at n=19A295081
• Expansion of Product_{k>=1} ((1 + (9*x)^k) / (1 - (9*x)^k))^(1/3).at n=5A303342