1447482465
domain: N
Appears in sequences
- Number of 4 X 6 matrices with elements in 0..n with each row and each column in nondecreasing order. 4,6,n can be permuted, see formula.at n=6A140904
- Number of 6 X 6 matrices with elements in 0..n with each row and each column in nondecreasing order. 6,6,n can be permuted, see formula.at n=4A140906
- a(n) is the number of secondary GL(4) invariants contructed from n+3 distinct four component vectors.at n=6A383823