72920
domain: N
Appears in sequences
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 27.at n=9A031705
- a(n) = 729*n^2 + 2*n.at n=9A158396
- T(n,k)=Number of length n+k 0..3 arrays with at most two downsteps in every k consecutive neighbor pairs.at n=28A255660
- Number of length n+1 0..3 arrays with at most two downsteps in every n consecutive neighbor pairs.at n=7A255661