175450

Appears in sequences

• Levine's sequence. First construct a triangle as follows. Row 1 is {1,1}; if row n is {r_1, ..., r_k} then row n+1 consists of {r_k 1's, r_{k-1} 2's, r_{k-2} 3's, etc.}; sequence consists of the final elements in each row.at n=10A011784
• Number of minimum dominating sets in the n X n rook complement graph.at n=10A292074