696744

Appears in sequences

• Number of length 4+3 0..n arrays with some disjoint pairs in every consecutive four terms having the same sum.at n=30A247536
• O.g.f. A(x) satisfies: [x^n] exp( -n*A(x) ) / (1 - n*x)^n = 0, for n > 0.at n=5A319940