56782

Appears in sequences

• Reversion of Euler totient function A000010.at n=13A050391
• Number of length n+2 0..6 arrays with no three consecutive terms having the sum of any two elements equal to twice the third.at n=3A248459
• T(n,k)=Number of length n+2 0..k arrays with no three consecutive terms having the sum of any two elements equal to twice the third.at n=39A248461
• Number of length 4+2 0..n arrays with no three consecutive terms having the sum of any two elements equal to twice the third.at n=5A248465
• Number of rooted trees on n nodes with strictly thinning limbs.at n=23A298304