77364144
domain: N
Appears in sequences
- Eighth column (and diagonal) of Narayana triangle A001263.at n=10A134289
- a(n) = binomial(m+n-1,n)^2 - binomial(m+n,n+1)*binomial(m+n-2,n-1) with m=12.at n=7A140925
- Number of 7 X 10 matrices with elements in 0..n with each row and each column in nondecreasing order. 7,10,n can be permuted, see formula.at n=2A140930