47545

Appears in sequences

• Number of labeled trees with n+1 nodes such that the degrees of all nodes, excluding the first node, are odd.at n=8A058014
• Number of labeled odd-degree trees with 2n+1 nodes.at n=4A143601
• a(n) = ((4 + 3*sqrt(2))*(1 + 2*sqrt(2))^n + (4 - 3*sqrt(2))*(1 - 2*sqrt(2))^n)/8.at n=8A164589
• Number of triangular nXnXn arrays of occupancy after each element either stays or moves to some neighbor and with no occupancy greater than 7.at n=3A217509
• Number of length n arrays x(i), i=1..n with x(i) in i..i+3 and no value appearing more than 2 times.at n=7A250346
• T(n,k)=Number of length n arrays x(i), i=1..n with x(i) in i..i+k and no value appearing more than 2 times.at n=52A250351