47415

Appears in sequences

• Consider recurrence b(0) = (2n+1)/2, b(n) = b(n-1)*ceiling(b(n-1)); sequence gives first integer reached.at n=13A081853
• a(n) = (8*n - 3)*(4*n - 1)*(8*n^2 - 5*n + 1).at n=4A081854
• Row sums in A083175.at n=28A083175
• a(n) = prime(n)*T(n), where T = A000217.at n=28A196421
• Number of length n+5 0..6 arrays with every six consecutive terms having five times some element equal to the sum of the remaining five.at n=8A249495
• Numbers k such that {k + 2, k + 4} and {k^3 + 2, k^3 + 4} are twin prime pairs.at n=16A284058
• Number of unoriented series-parallel networks with n elements and without multiple unit elements in parallel.at n=12A339296
• Number of integer partitions of n for which the parts have the same median as the multiplicities.at n=51A360456
• Number of vertices in a complete bipartite graph where the n vertices of each part are placed on the vertices, and on opposite sides, of a regular 2n-gon.at n=21A392971