219871

Properties

Appears in sequences

• Number of n X 3 0..2 arrays with row sums 3 and column sums n.at n=8A172634
• Number of n X 8 0..2 arrays with row sums 8 and column sums n.at n=2A172638
• Number of (n+1) X 3 0..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.at n=4A204870
• Number of (n+1)X6 0..3 arrays with the permanents of all 2X2 subblocks equal and nonzero.at n=1A204873
• T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.at n=16A204876
• T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.at n=19A204876
• Duplicate of A172634.at n=8A208446
• Prime numbersat n=19604