21174

Appears in sequences

• Number of partitions satisfying cn(1,5) <= cn(0,5) + cn(2,5) + cn(3,5) and cn(4,5) <= cn(0,5) + cn(2,5) + cn(3,5).at n=39A039870
• Boris Stechkin's function.at n=36A055004
• S[A002808(n)] where S[] is Boris Stechkin's function (A055004) and A002808(n) are the composites.at n=25A063483
• Triangle read by rows: T(n,k) is the number of Schroeder paths of length 2n and having k platforms (i.e., UHD, UHHD, UHHHD, ..., where U=(1,1), D=(1,-1), H=(2,0)).at n=20A104546
• Number of Schroeder paths of length 2n having no UHD, UHHD, UHHHD, ..., where U=(1,1), D=(1,-1), H=(2,0).at n=8A104547
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 246", based on the 5-celled von Neumann neighborhood.at n=35A271010
• A(n, k) is the smallest number x > A(n, k-1) such that every letter, with repetition, that occurs in the English name of A(n, k-1) also occurs in the English name of x, with A(n, 1) = n; square array, read by antidiagonals downwards.at n=46A303380
• Irregular triangle read by rows: T(n,k) (1 <= k <= 2*n) = number of n X k Baxter matrices in which all row sums are 2.at n=41A347679
• Number of edges in a hexagon when n internal hexagons are drawn between the 6n points that divide each side into n+1 equal parts.at n=42A357198
• G.f. A(x) satisfies 2 = Sum_{n=-oo..+oo} x^(4*n) * (1 - x^n)^(4*n) * A(x)^n.at n=16A379196