190996

Appears in sequences

• a(n) = 6*binomial(n,4) + 5*binomial(n,2) - 4*n + 5.at n=30A066455
• a(n) is the largest value in the '3x+1' trajectory of starting points producing a record number of steps.at n=19A380138
• a(n) is the largest value in the '3x+1' trajectory of starting points producing a record number of steps.at n=20A380138