118827
domain: N
Appears in sequences
- Numbers n such that n divides 2^n + 1.at n=25A006521
- Numbers m such that m divides 10^m - 1.at n=26A014950
- Numbers k such that k | 8^k + 1.at n=32A015955
- Numbers k such that k | 11^k + 1.at n=34A015960
- Pseudo-powers to base 3: numbers k that are not powers of 3 such that k divides 2^k + 1.at n=14A016057
- Dirichlet convolution of powers of 3 (3,9,27,...) with themselves.at n=8A034719
- Recip transform of 2*(1 + x^3 + x^4)-1/(1-x).at n=10A049154
- Numbers n such that n | 6^n + 5^n + 4^n + 3^n.at n=19A057248
- Numbers n such that n divides 2^n^2 + 1.at n=35A093546
- Numbers k that divide 2^(k^3) + 1.at n=36A093665
- Sum of digits of (2^n)!.at n=13A244060
- Number of nonnegative integers with the property that their base 9/4 expansion (see A024652) has n digits.at n=12A245425
- Terms k of A006521 such that 2*k is a term of A124240.at n=24A289257
- E.g.f.: exp (e.g.f. for the "cusp form" A002408).at n=7A302201
- Numbers k that divide the smallest number whose sum of digits is k.at n=29A342810
- Number of n-covers of an unlabeled n-set.at n=6A368186