37400

Appears in sequences

• Shifts 2 places left when e.g.f. is squared.at n=11A007558
• Number of diagonal dissections of an n-gon into 4 regions.at n=10A033276
• Number of nonempty subsets of {1,2,...,n} in which exactly 3/4 of the elements are <= (n+3)/3.at n=26A048086
• Index of the first occurrence of A019565(2n-1) in sequence A103790.at n=36A103791
• Number of partitions of n with odd crank.at n=44A124228
• Triangle V(l,p) (l>=0, p=0..l) read by rows: see Formula for definition, see Comments for motivation.at n=129A179898
• a(n) = floor(n^(3/2))*floor(3+n^(3/2))/2.at n=41A185593
• Number of obtuse isosceles triangles on an n X n grid.at n=18A190318
• Number of -1..1 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^(t+u+v)) having two, three, four, five or six distinct values for every i,j,k<=n.at n=11A211530
• Triangle read by rows: the X-transformation of the Catalan triangle A033184.at n=41A228334
• Triangle read by rows: T(n,m) (n >= m >= 1) = number of chambers (or regions) formed by drawing the line segments connecting any two of the (n+1) X (m+1) lattice points in an n X m lattice polygon.at n=20A288187
• a(n) is the number of squares of side length greater than 1 having vertices at the points of an n X n grid of dots.at n=25A328152
• a(n) is the least integer h such that there exists a Pythagorean triple whose hypotenuse is h and whose other legs z satisfy A176774(z) = n.at n=13A343981
• Möbius transform of A341529, sigma(n) * A003961(n).at n=53A347125
• Number of transitive relations on an n-set with exactly two ordered pairs.at n=17A349919