47079208
domain: N
Appears in sequences
- Gaussian binomial coefficients [ n,9 ] for q = 7.at n=1A022238
- a(n) = (7^n - 1)/6.at n=10A023000
- Number of sublattices of index n in generic 10-dimensional lattice.at n=6A038997
- 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=9.at n=6A068026
- Numbers of the form (7^{mr}-1)/(7^r-1) for positive integers m, r.at n=23A076286
- a(n) = n^9 + n^8 + n^7 + n^6 + n^5 + n^4 + n^3 + n^2 + n + 1.at n=7A103623
- a(n) = Sum_{d|n} Moebius(n/d)*d^(b-1)/phi(n) for b = 11.at n=6A160957