20884
domain: N
Appears in sequences
- Numbers whose base-12 representation has exactly 5 runs.at n=3A043654
- Even indices of multidigit primes with digits in strictly increasing order.at n=32A155776
- The number of permutations p of {1,...,n} such that |p(i)-p(i+1)| is in {3,4} for all i from 1 to n-1.at n=29A174706
- G.f. satisfies: A(x) = Sum_{n>=0} x^n*A(x)^(n^2)/(1 - x*A(x)^n)^n.at n=7A192209
- Molien series for invariants of finite Coxeter group A_10.at n=57A266779
- Numbers n such that Bernoulli number B_{n} has denominator 1410.at n=25A272369
- Sum of the corners of a 2n+1 X 2n+1 square spiral.at n=35A325958