34444
domain: N
Appears in sequences
- Numbers having four 4's in base 10.at n=3A043508
- Expansion of (1+x)^2/((1-x)*(1-10*x^2)).at n=9A094627
- Number of regions formed inside square by diagonals and the segments joining the vertices to the points dividing the sides into n equal length segments.at n=44A108914
- Smallest natural number requiring n letters in Spanish.at n=42A161353
- Number of binary strings of length n with no substrings equal to 0000 0110 or 1001.at n=16A164439
- Expansion of x*(4+5*x-13*x^2-x^3+x^4) / ( (1-x)*(1-10*x^2+x^4) ).at n=8A179934
- Number of compositions of n in which the maximal multiplicity of parts equals 3.at n=16A243120
- n-th number with exactly n n's in base 10.at n=3A259528
- a(n) = Sum_{i=1..n, j=1..n, gcd(i,j)=1} i.at n=47A333297