720699
domain: N
Appears in sequences
- Number of degeneracies on the sets of n ordinary trees with n vertices. These are the values of the information index, (I^w)_D, in Table 15 of the paper by Elena V. Konstantinova and Maxim V. Vidyuk.at n=12A125066
- a(n) is the smallest k such that the sum of the number of divisors of the n numbers from k to k+n-1 equals tau(k+n).at n=20A348837