79740

Appears in sequences

• Number of length n+6 0..3 arrays with every seven consecutive terms having the maximum of some two terms equal to the minimum of the remaining five terms.at n=2A250149
• T(n,k)=Number of length n+6 0..k arrays with every seven consecutive terms having the maximum of some two terms equal to the minimum of the remaining five terms.at n=12A250154
• Number of length 3+6 0..n arrays with every seven consecutive terms having the maximum of some two terms equal to the minimum of the remaining five terms.at n=2A250157
• Numbers n such that n^2+k-1 is the sum of two nonzero squares in exactly k ways for all k = 1, 2, 3.at n=5A273341
• Number of unrooted level-1 phylogenetic networks (also called galled trees) with (n+1) labeled leaves.at n=5A328121