171147

Appears in sequences

• Smallest positive integer such that n iterations of A073846 are required to reach an even number.at n=15A263570
• Irregular triangle read by rows: T(0, 0) = 2; T(i, j) is the j-th term in the least maximal chain of composites that is longer than the (i-1)-st least maximal chain of composites, where i>0.at n=48A271363