58708

Appears in sequences

• a(n) = Sum_{k = 1..n} floor(2^k / k).at n=18A000801
• 3^n-Jacobsthal(n).at n=10A093833
• Number of 3 X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 3 X n array.at n=34A219520
• Numbers k such that 49*10^k + 1 is prime.at n=26A267865
• Number of ordered rooted trees with n non-root nodes and all outdegrees <= eight.at n=11A291823
• Triangle read by rows. T(n, k) = 1 if k = 0, equals T(n, k-1) if k = n, and otherwise is (n - k + 1) * (2 * (n - k) + 1) * T(n, k - 1) + T(n - 1, k).at n=18A365672