772210

Appears in sequences

• a(n) = denominator of b(n): b(n) = the minimum possible value for a continued fraction whose terms are a permutation of the terms of the simple continued fraction for H(n) = sum{k=1 to n} 1/k, the n-th harmonic number.at n=13A129085
• a(n) is the smallest centered triangular number with exactly n distinct prime factors.at n=5A358928