27821

Appears in sequences

• a(n) = floor(X/Y) where X = concatenation in decreasing order of (2n)-th even number to (n+1)-th even number and Y = that of first n even numbers in increasing order.at n=16A067092
• Pseudo-random numbers: Davenport's generator for 32-bit integers.at n=21A084277
• Row sums of triangle A155856.at n=7A155857
• Positive integers of the form (30*m^2+1)/11.at n=18A179339
• Convolution of A048272 and A022567.at n=28A274355
• a(n) is the least integer k such that k/Fibonacci(n) > 3/5.at n=24A293643
• a(n) is the integer k that minimizes |k/Fibonacci(n) - 3/5|.at n=24A293644
• Triangular array read by rows: T(n, k) = number of occurrences of 2k as a sum |1 - p(1)| + |2 - p(2)| + ... + |n - p(n)|, where (p(1), p(2), ..., p(n)) ranges through the permutations of (1,2,...,n), for n >= 1, 0 <= k <= n-1.at n=53A357329