Sum of the differences between the largest and the smallest fixed points over all non-derangement permutations of {1,2,...,n}.

A161130

Sum of the differences between the largest and the smallest fixed points over all non-derangement permutations of {1,2,...,n}.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =2a(4) =13a(5) =74a(6) =523a(7) =4178a(8) =37609a(9) =376082a(10) =4136911a(11) =49642922a(12) =645357997a(13) =9035011946a(14) =135525179203

External references