411771
domain: N
Appears in sequences
- Number of free subsets of multiplicative group of GF(7^n).at n=6A007233
- Numbers that are repdigits in base 7.at n=39A048332
- Period of the sequence of Bell numbers A000110 (mod n).at n=13A054767
- a(n) = floor(n^n/2).at n=7A057065
- a(n) = floor(7^7/n).at n=1A057069
- Table read by antidiagonals of T(n,k)=floor(n^n/k) with n,k >= 1.at n=34A057075
- a(n) = (7^n - 1)/2.at n=7A120741
- A sevens sequence: a(n) = (7^n - 1)/(2^(4 - 3*(n mod 2))).at n=7A152418
- Number of compositions of odd natural numbers into 7 parts <=n.at n=6A191900
- a(n) = A000217(A342930(n))/n^n.at n=6A342931
- Triangle read by rows: T(n, k) = floor(binomial(n, k - 1) * (k - 1)^(k - 1) * n * (n - k + 1)^(n - k) / 2).at n=29A369072