50891

Properties

Appears in sequences

• a(n) = Sum_{0<=i<=i<=n} A027082(i, n+j).at n=10A027099
• Numbers whose base-15 representation has exactly 5 runs.at n=24A043672
• T(n,n), array T as in A047130.at n=10A047132
• Number of integers in n-th generation of tree T(1/3) defined in Comments.at n=44A274143
• Nearest integer to 1/F(1/x), where F(x) is the Dickman function.at n=5A309638
• a(n) is the smallest lesser twin prime p from A001359 such that the distance to the previous lesser twin prime is 6*n.at n=49A340573
• Prime numbersat n=5212