43620

Appears in sequences

• Triangle T(n, k) = binomial(n, k) * Sum_{j=k..n} StirlingS1(n, j)*StirlingS1(j, k), read by rows.at n=16A142472
• Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly one way, and new values 0..1 introduced in row major order.at n=4A204484
• Number of (n+2)X7 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly one way, and new values 0..1 introduced in row major order.at n=4A204489
• Number of nondecreasing -4..4 vectors of length n whose dot product with some other -4..4 vector equals n.at n=9A226336
• Number of nondecreasing -3..3 vectors of length n whose dot product with some nonincreasing -3..3 vector equals n.at n=15A226394
• Number of tilings of a 10 X n rectangle using 2n pentominoes of shape I.at n=19A247117
• Number of length 4 1..(n+1) arrays with every leading partial sum divisible by 2, 3 or 5.at n=18A254831
• Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north, southwest or northwest neighbors modulo 5 and the upper left element equal to 0.at n=12A267203