1126125

Appears in sequences

• Number of diagonal dissections of an n-gon into 4 regions.at n=20A033276
• Numbers with exactly 5 distinct odd prime divisors {3,5,7,11,13}.at n=19A147578
• Odd numbers k such that A187795(k) > 2*k.at n=27A347936
• T(n,k) is the number of reduced unicellular hypermonopoles on n points with k hyperedges, where T(n,k), 1 <= k <= floor(n/2), is an array read by rows.at n=54A371665