897792

Appears in sequences

• Expansion of tanh(sinh(x)*exp(x)).at n=9A009804
• Number of n X 2 0..1 arrays with no element equal to more than three of its king-move neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.at n=11A281028
• Triangle read by rows: T(n,k) is the number of oriented graphs on n labeled nodes whose underlying graph is k-regular, k = 0..n-1.at n=30A351263
• Number of completely asymmetric matchings (not containing centered or coupled arcs) of [2n].at n=8A382134