272801

Appears in sequences

• a(n) = C(n,5) + C(n,4) - C(n,3) + 1, n >= 7.at n=27A005288
• Fifth column of A046741.at n=16A062125
• Number of reduced words of length n in the Weyl group A_30.at n=5A161573
• Number of nX3 0..2 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.at n=7A201427
• T(n,k)=Number of nXk 0..2 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other.at n=47A201432