84544
domain: N
Appears in sequences
- Difference between larger and smaller terms of n-th amicable pair.at n=22A066539
- Number of cycles with at most 2 alternating runs in all permutations of [n] (it is assumed that the smallest element of the cycle is in the first position).at n=8A187249
- Difference between the larger and smaller terms of the n-th amicable pair (x,y) given in A259933.at n=22A275469
- Number of weak embedding types of rooted n-leaf Joyce trees of sequences of 0's and 1's.at n=3A293159
- a(n) is the number of irreducible element forms for Z/pZ, with p = prime(n).at n=7A308164