50157
domain: N
Appears in sequences
- Triangle read by rows, e.g.f. exp(x*z)/((exp(x/2)+exp(x*3/2))/((exp(3*x/2)+2*cos(sqrt(3)*x/2))/3)-1).at n=46A215065
- Number of nondecreasing -n..n vectors of length 3 whose dot product with some lexicographically greater than or equal to nondecreasing -n..n vector equals 3.at n=36A226424
- a(0) = a(1) = 1, and a(n) = a(n-1) + a( (a(n-1)-1) mod n ) for n>=2.at n=41A268176
- Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 625", based on the 5-celled von Neumann neighborhood.at n=7A273271
- Sum of primes between 100*n and 100*n + 99.at n=33A276355
- Number of 2-Abelian equivalence classes of words of length n over an alphabet of size 3.at n=16A289658
- Number of vertices formed in a square by straight line segments when connecting the n+1 points along each edge that divide it into n equal parts to the n+1 points on the edge on the opposite side of the square.at n=13A355839
- Number of integer partitions of n > 0 such that the least and greatest parts are not both odd (equivalently, their product is even).at n=44A391230