47998
domain: N
Appears in sequences
- Number of n X 3 0..3 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero.at n=6A231058
- Number of nX7 0..3 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero.at n=2A231062
- T(n,k)=Number of nXk 0..3 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero.at n=38A231063
- T(n,k)=Number of nXk 0..3 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero.at n=42A231063
- Number of partitions of n containing m(4) as a part, where m denotes multiplicity.at n=47A240489
- Number of permutations of [n] whose lengths of increasing runs are distinct squares.at n=14A317445
- a(n) = Sum_{i=1..n} sigma(i)*sigma(i+1), where sigma(n) = A000203(n) is the sum of the divisors of n.at n=37A330322
- Number of primes between pairs of consecutive highly composite numbers (A002182).at n=41A333725