51433

Appears in sequences

• Irregular triangle read by rows: T(n,k) (n >= 1, 0 <= k <= [n/2]) = number of permutations of 1..n with [n/2]-k runs of consecutive pairs up and down (divided by 2).at n=30A010030
• Number of partitions of n^2 into at most 10 square parts.at n=34A255214
• a(n) = (1/7) * Sum_{k=0..n-1} binomial(7*n,7*k+3).at n=3A387750