A082127 Rounded base-3 logarithm of A082126(n).
3, 3, 3, 2, 3, 7, 8, 12, 18, 27, 43, 62, 93, 142, 213, 317, 478, 717, 1073, 1612, 2418
Offset: 0
Crossrefs
Cf. A082129.
Programs
-
PARI
p=19; for(n=1, 50, v=divisors(p); r=sqrt(p); t=0; for(k=1, matsize(v)[2], if(v[k]>=r, t=k; break)); if(v[t]^2==p, u=t, u=t-1); if(v[t]-v[u]<2, u=u-1; t=t+1); print1(round(log(v[t]-v[u])/log(3))", "); p=p*(v[t]-v[u]))