121992
domain: N
Appears in sequences
- G.f. A(x) satisfies: A(x) = exp( Sum_{n>=1} B(x^n)/n ) where B(x) = Series_Reversion(x/A(x)) = g.f. of A179325.at n=9A192637
- Numbers k such that prime(k) divides primorial(j) + 1 for exactly three integers j.at n=9A283928
- Numbers m having greatest prime power divisor d such that d is smaller than the difference between m and the largest prime smaller than m and d is smaller than the difference between m and twice the largest prime smaller than m/2.at n=24A290290