56749
domain: N
Appears in sequences
- Convolution of A000203 with itself.at n=48A000385
- Number of noncrossing connected graphs on n nodes on a circle having no four-sided faces.at n=6A045744
- Number of divisors of n! which are also differences between consecutive divisors of n! (ordered by size).at n=23A060742
- Floor(cube root(concatenation of first n cubes)).at n=6A067125
- Triangle read by rows: T(n,k) is the number of noncrossing connected graphs on n nodes on a circle, having exactly k four-sided faces, n>=2, 0<=k<=floor(n/2)-1.at n=12A094046
- Number of different values assumed by a/b+c/d as a,b,c,d range between 1 and n.at n=26A119868
- Least number k having n representations as the sum of the minimal number of biquadrates A002377(k).at n=30A185673
- Triangle read by rows: T(n,k) (n >= 1, k >= 0) = number of Dyck paths of semilength k avoiding the pattern U^n D^n.at n=75A238094
- Expansion of g.f.: 1/(Sum_{p prime} x^p)^2.at n=20A352500