29388

Appears in sequences

• Erroneous version of A020554.at n=5A002719
• Number of multigraphs on n labeled edges (without loops).at n=6A020554
• a(1)=1, a(n) is the smallest integer > a(n-1) such that the sum of elements of the simple continued fraction for S(n)=1/a(1)+1/a(2)+...+1/a(n) equals n*(n+1)/2 the n-th triangular number.at n=30A071184
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, -1, 1), (0, 1, -1), (1, 0, 0), (1, 0, 1)}.at n=9A149889
• Number of (6*n) X 6 binary arrays with rows in nonincreasing order and n ones in every column.at n=1A188390
• T(n,k) = number of (n*k) X k binary arrays with rows in nonincreasing order and n ones in every column.at n=22A188392
• a(n) = floor(M(g(n-1)+1,..,g(n))), where M = harmonic mean and g(n) = n*(n + 1)*(n + 2)*(n + 3)/24.at n=27A227018
• Triangle read by rows: T(n,k) = number of plateau polycubes of width n and volume k.at n=73A232483
• Sum of the asymmetry degrees of all compositions of n with parts in {1,2,3}.at n=16A275445
• Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = sqrt(3).at n=40A279588
• Triangle T(n,w) read by rows: the number of fixed polyominoes with n cells and width w of the convex hull.at n=60A308359
• Number of 2-linear trees on n nodes.at n=21A338706
• Erroneous version of A338706.at n=21A338710
• a(n) = 2^n * [x^n] Product_{k>=1} ((1 + 3*x^k)/(1 - 3*x^k))^(1/2).at n=6A370751