Smallest fixed point summed over all non-derangement permutations of {1,2,...,n}.

A155521

Smallest fixed point summed over all non-derangement permutations of {1,2,...,n}.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =7a(4) =31a(5) =191a(6) =1331a(7) =10655a(8) =95887a(9) =958879a(10) =10547659a(11) =126571919a(12) =1645434935a(13) =23036089103a(14) =345541336531

External references