46070640
domain: N
Appears in sequences
- Number of simplices in barycentric subdivision of n-simplex.at n=6A005462
- a(n) = 7^n - 6*6^n + 15*5^n - 20*4^n + 15*3^n - 6*2^n + 1.at n=10A228909
- Triangle read by rows: the positive terms of A163626.at n=33A249163
- Triangle T(n, k) read by rows: T(n, k) = S2(n, k)*k! + S2(n, k-1)*(k-1)! with the Stirling2 triangle S2 = A048993.at n=62A285867