1856853

Appears in sequences

• a(n) = ((6*n+37)*4^n - 1)/3.at n=8A072259
• Odd numbers producing exactly 3 odd numbers in the Collatz (3x+1) iteration.at n=34A198584
• Odd numbers producing 3 decreasing odd numbers in the Collatz (3x+1) iteration.at n=30A228872
• Numbers of the form (2^(2*j + 6*k + 10) - 2^(2*j + 2) - 3)/9, with j,k >= 0.at n=12A342816
• a(n) = (85*4^n - 1)/3.at n=7A353957