43308

Appears in sequences

• G.f.: q*Product_{k>0} (1-q^(12k))(1+q^(12k-1))(1+q^(12k-11))/(1-q^k).at n=37A098693
• Number of 2-cell columns starting at level 0 in all of deco polyominoes of height n. A deco polyomino is a directed column-convex polyomino in which the height, measured along the diagonal, is attained only in the last column.at n=7A121636
• Coefficients of a q-series inspired by Andrews and Ramanujan.at n=38A122928
• Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k hills (i.e., peaks at level 1) (0 <= k <= n).at n=56A128722
• Number of nX4 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=4A201068
• Number of n X 5 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=3A201069
• T(n,k)=Number of nXk 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=31A201072
• T(n,k)=Number of nXk 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=32A201072
• (n-1)-st elementary symmetric function of the first n terms of (1,2,1,3,1,4,1,5,...)=A133622.at n=12A203193
• Number of nX2 0..1 arrays with exactly floor(nX2/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.at n=12A222284
• Sum of the asymmetry degrees of all compositions of n with parts in {1,3}.at n=26A276057
• G.f. = Phi^4*F^2, where Phi = g.f. for A028930, F = g.f. for A028959.at n=16A328533