24482

Appears in sequences

• Number of partitions of n into parts all relatively prime to n.at n=50A057562
• Numbers k such that 2^(2*(k+1)) + 2^k - 1 is prime.at n=37A105181
• Binary XOR of 3^k as k varies from 0 to n.at n=9A199397
• Beach-Williams Pell numbers of type 2p (p prime).at n=19A212074
• Number of n X 2 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 n X 2 array.at n=26A219846
• Numbers k where A098550(k)/k reaches a record high.at n=19A250127
• A(n, k) is the k-th number b > 1 such that b^(prime(n+i)-1) == 1 (mod prime(n+i)^2) for each i = 0..3, with k running over the positive integers; square array, read by antidiagonals, downwards.at n=23A319061
• Number of unlabeled connected nonplanar graphs with n edges with degree >= 3 at each node.at n=9A338593
• a(n) = Lucas(n) + 6.at n=20A386707