61949

Properties

Appears in sequences

• Numbers k such that (13^k - 5^k)/8 is prime.at n=6A128349
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, -1, 1), (-1, 0, 0), (1, -1, -1), (1, 1, 0)}.at n=11A148540
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (1, -1, -1), (1, 1, 0), (1, 1, 1)}.at n=8A150916
• Primes of the form sum_{j=1..n} (-1)^j *prime(j)*prime(j+1).at n=6A197422
• Primes of the form 8n^2 - 3.at n=18A201856
• Prime numbersat n=6226