444215

Appears in sequences

• a(n) = (1/1 + 1/(n-1) + ... + 1/C(n-[ n/2 ],[ n/2 ]))*L, where L = LCM{1, n-1, ..., C(n-[ n/2 ],[ n/2 ])}.at n=15A025563
• One of the two successive approximations up to 3^n for the 3-adic integer sqrt(-1/2).at n=12A309477
• One of the two successive approximations up to 3^n for the 3-adic integer sqrt(-1/2).at n=13A309477