64056
domain: N
Appears in sequences
- a(n) = Lucas(n+1) - (n+1).at n=21A066982
- a(n) is the limiting term of the n-th column of the triangle in A188919.at n=24A188920
- Number of key comparisons to sort all n! permutations of n elements by the optimal trial-pivot quicksort.at n=7A288970
- Number of 4-cycles in the n X n black bishop graph.at n=17A289162