176797

Properties

Appears in sequences

• Number of (n+1) X 2 0..2 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) such that rows of b(i,j) and columns of c(i,j) are lexicographically nondecreasing.at n=7A203958
• T(n,k) is the number of (n+1) X (k+1) 0..2 arrays with column and row pair sums b(i,j) = a(i,j) + a(i,j-1) and c(i,j) = a(i,j) + a(i-1,j) such that rows of b(i,j) and columns of c(i,j) are lexicographically nondecreasing.at n=28A203965
• T(n,k) is the number of (n+1) X (k+1) 0..2 arrays with column and row pair sums b(i,j) = a(i,j) + a(i,j-1) and c(i,j) = a(i,j) + a(i-1,j) such that rows of b(i,j) and columns of c(i,j) are lexicographically nondecreasing.at n=35A203965
• Primes that are the sum of 101 consecutive primes.at n=33A215993
• Values k(i) such that k(i) + k(i+3) = k(i+1) + k(i+2), where k(i) is A022885(i).at n=29A235725
• Number of 2Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=19A241307
• Number of pancyclic graphs on n nodes.at n=8A286684
• Prime numbersat n=16070