108961

Properties

Appears in sequences

• tanh(arctan(arcsin(x)))=x-3/3!*x^3+49/5!*x^5-1691/7!*x^7+108961/9!*x^9...at n=4A012199
• 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, -1, 1), (-1, 0, 0), (0, -1, 0), (1, 1, 0)}.at n=10A149503
• Primes of form n^2 + 6561.at n=28A256837
• Prime numbersat n=10362