60272
domain: N
Appears in sequences
- A089450 indexed by A000040.at n=24A089525
- Triangle, read by rows, where T(n,k) equals the dot product of the vector of terms in row n that are to the right of T(n,k) with the vector of terms in column k that are above T(n,k): T(n,k) = Sum_{j=0..n-k-1} T(n,j+k+1)*T(j+k,k) for n > k+1 > 0, with T(n,n) = 1 and T(n,n-1) = n (n>=1).at n=36A115080
- Column 0 of triangle A115080.at n=8A115081
- Where record values occur in A138385.at n=19A138391
- Number of line segments connecting exactly 5 points in an n x n grid of points.at n=41A177721
- Number of partitions of n having no parts with multiplicity 9.at n=43A184644
- a(n) = Sum_{k=1..n-1} sigma(k)*sigma_3(n-k).at n=14A374963