171774906
domain: N
Appears in sequences
- Number of nX2 0..6 arrays with no entry increasing mod 7 by 6 rightwards or downwards, starting with upper left zero.at n=5A222335
- Number of nX6 0..6 arrays with no entry increasing mod 7 by 6 rightwards or downwards, starting with upper left zero.at n=1A222339
- T(n,k) = number of n X k 0..6 arrays with no entry increasing mod 7 by 6 rightwards or downwards, starting with upper left zero.at n=22A222340
- T(n,k) = number of n X k 0..6 arrays with no entry increasing mod 7 by 6 rightwards or downwards, starting with upper left zero.at n=26A222340
- Triangular array read by rows. T(n,k) is the number of labeled directed graphs on [n] with exactly k strongly connected components of size 1 with outdegree zero, n>=0, 0<=k<=n.at n=22A362013