170100

Appears in sequences

• a(n) = Product_{k>=0} (1 + floor(n/2^k)).at n=34A132269
• Numbers n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=11.at n=28A135196
• Number of 3-turn rook's tours on an n X n board summed over all starting positions.at n=14A187190
• Where records occur in A054025.at n=21A272720
• Lexicographically earliest sequence of distinct positive integers such that the product of two consecutive terms is always a factorial number.at n=20A382067
• a(n) = Sum_{k=0..n} floor((k/2)^2)*n^2. Row sums of A391996.at n=18A391997
• Numbers k with squarefree kernel 210 such that both k-1 and k+1 are prime.at n=21A392030