28531167061
domain: N
Appears in sequences
- a(n) = (p^p-1)/(p-1) where p = prime(n).at n=4A001039
- a(n) = (11^(n+1) - 1)/10.at n=10A016123
- Cyclotomic polynomials at x=11.at n=11A019329
- a(n) = n^0 + n^1 + ... + n^(n-1), or a(n) = (n^n-1)/(n-1) with a(0)=0; a(1)=1.at n=11A023037
- Sublattices of index n in generic 11-dimensional lattice.at n=10A038998
- Period of the sequence of Bell numbers A000110 (mod n).at n=10A054767
- a(n) = floor(11^11/n).at n=9A057073
- a(n) = Sum_{j=0..10} n^j.at n=11A060885
- Z(S_m; sigma[1](n), sigma[2](n),..., sigma[m](n)) where Z(S_m; x_1,x_2,...,x_m) is the cycle index of the symmetric group S_m and sigma[k](n) is the sum of k-th powers of divisors of n; m=10.at n=10A068027
- Value of n-th cyclotomic polynomial at n.at n=10A070518
- a(n) = (11^n - 1)/(5*2^(3 - 2*(n mod 2))).at n=11A152435
- a(n) = Sum_{d|n} Moebius(n/d)*d^(b-1)/phi(n) for b = 12.at n=10A160960
- Semiprimes in A023037.at n=3A173470
- Table read by rows in which row n lists divisors of (p^p-1)/(p-1) where p = prime(n).at n=15A248843
- a(n) = Sum_{d|n} mu(n/d) * d^n / phi(n).at n=10A344210
- Period of the Fibonacci n-step sequence mod n.at n=10A351657