63883

Appears in sequences

• Numbers k such that 77*2^k+1 is prime.at n=13A032388
• a(n) = 42*n^2 + 1.at n=39A158604
• a(0) = 0, and for n > 0, (a(n)) gives the indices n for which d(n) < d(k) for k < n, where d is the difference sequence of (cos k + sin k).at n=23A299640