248137

Properties

Appears in sequences

• Number of n X 7 0..3 arrays with row sums 7 and column sums n.at n=2A172737
• Number of n X 3 0..3 arrays with row sums 3 and column sums n.at n=6A172743
• Number of 7*n X 3*n 0..3 arrays with row sums 3 and column sums 7.at n=0A172796
• Number of n X 7 0..4 arrays with row sums 7 and column sums n.at n=2A172813
• Number of n X 7 0..5 arrays with row sums 7 and column sums n.at n=2A172872
• Number of n X 7 0..6 arrays with row sums 7 and column sums n.at n=2A172903
• Number of n X 7 0..7 arrays with row sums 7 and column sums n.at n=2A172931
• Array read by antidiagonals: T(n,k) is the number of n X k nonnegative integer matrices with all column sums n and row sums k.at n=58A333901
• Array read by antidiagonals: T(n,k) is the number of n X k nonnegative integer matrices with all column sums n and row sums k.at n=62A333901
• Primes p such that p divides (2 + product of primes < p).at n=1A340712
• Prime numbersat n=21889