30998
domain: N
Appears in sequences
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 16.at n=22A031694
- a(n) = A077704(n+1)/A077704(n).at n=16A077705
- Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={0,2}.at n=32A079966
- a(n) = 256*n^2 + 2*n.at n=10A158230
- a(n) = 484*n^2 + 22.at n=8A158629
- Number of lower triangles of a 3 X 3 0..n array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by two or less.at n=30A195249
- G.f. = b(2)*b(6)/(x^6-x^4+x^2-2*x+1), where b(k) = (1-x^k)/(1-x).at n=21A266336
- Total sum of parts which are squares in all partitions of n.at n=28A342228