104742

Appears in sequences

• Carlitz-Riordan q-Catalan numbers (recurrence version) for q=-7.at n=4A015103
• Number of n X n symmetric (0,1)-matrices containing four ones.at n=22A185355
• T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with every element equal to or 1 greater than any southwest or northwest neighbors modulo n and the upper left element equal to 0.at n=48A267278
• Number of nX(n+3) arrays of permutations of n+3 copies of 0..n-1 with every element equal to or 1 greater than any southwest or northwest neighbors modulo n and the upper left element equal to 0.at n=3A267282
• Number of 4Xn arrays containing n copies of 0..4-1 with every element equal to or 1 greater than any southwest or northwest neighbors modulo 4 and the upper left element equal to 0.at n=6A267284