18908

Appears in sequences

• Number of compositions into sums of cubes.at n=51A023358
• Number of objects generated by the Combstruct grammar defined in the Maple program. See the link for the grammar specification.at n=9A052884
• Inverse binomial transform of A003951.at n=5A108984
• Number of deco polyominoes of area 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=11A121691
• Record values in A046641.at n=34A145771
• Number of (n+1)X(n+1) 0..3 symmetric matrices with every 2X2 subblock having two distinct values, and new values 0..3 introduced in lower triangle row major order.at n=3A210827
• Number of n X 2 binary arrays whose sum with another n X 2 binary array containing no more than a single 1 has rows and columns in lexicographically nondecreasing order.at n=17A225894
• Sum of the sizes of the longest clique of all partitions of n.at n=27A264397
• Triangle read by rows: coefficients of polynomials P_n(x) arising from RNA combinatorics.at n=11A270791
• Number of compositions (ordered partitions) of n into two or more cubes.at n=51A348524
• a(n) = prime(n)^2 + prime(n+1).at n=32A352851
• G.f. satisfies A(x) = A(x^2)*A(x^3) / (1-x).at n=41A382126
• Square array read by antidiagonals, where the n-th row is the coordination sequence of a certain tiling with an n-dimensional analog of the X pentomino (or Greek cross), n >= 1.at n=60A383338