27939

Appears in sequences

• a(n) = Sum_{k=0..n} (k+1) * A026758(n, n-k).at n=11A027236
• Number of partitions p of n such that median(p) <= mean(p).at n=38A240218
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 161", based on the 5-celled von Neumann neighborhood.at n=36A270452
• Numbers k such that {k + 2, k + 4} and {k^3 + 2, k^3 + 4} are twin prime pairs.at n=10A284058
• p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - S^3 - S^4.at n=20A291223