38180
domain: N
Appears in sequences
- Numbers k such that k and k+1 have the same sum of unitary divisors (A034448).at n=37A064125
- Number of multiplicity free permutations in S_n, i.e., permutations whose Stanley symmetric function is multiplicity free.at n=7A224287
- Sum of prime divisors of n (with repetition) is one less than the sum of prime divisors (with repetition) of n+1.at n=32A228126
- Numbers k such that bsigma(k) = bsigma(k+1), where bsigma(k) is the sum of the bi-unitary divisors of k (A188999).at n=27A293183
- Numbers k such that iphi(k) = iphi(k+1), where iphi is the infinitary totient function (A064380).at n=11A301866
- Numbers k such that isigma(k) = isigma(k+1), where isigma(k) is the sum of the infinitary divisors of k (A049417).at n=29A306985
- Numbers k such that A008475(k)+1 = A008475(k+1).at n=38A333801
- Numbers k such that A181894(k)+1 = A181894(k+1).at n=32A333802
- Numbers k such that A113184(k) = A113184(k+1).at n=20A348585
- Numbers k such that k and k+1 have the same average of unitary divisors.at n=26A349222
- Numbers k such that k and k+1 have an equal sum of modified exponential divisors: A241405(k) = A241405(k+1).at n=30A379032