174824
domain: N
Appears in sequences
- a(n) = A077704(n+1)/A077704(n).at n=33A077705
- Numbers k such that k and k+1 are both in A357605.at n=5A357608
- Numbers k such that k and k+1 are both S-abundant numbers (A181487).at n=12A364861
- Numbers k such that k and k+1 both have an odd number of abundant divisors.at n=14A381548
- Numbers k such that each of k and k+1 is either a practical number (A005153) or an almost practical number (A174533).at n=32A387654