1,2

Table of n, a(n) for n=1..94.

a(n)=A001222(A133900(n)).

a(6)=5, since A133900(6)=72=2*2*2*3*3.

a(12)=8, since A133900(12)=864=2*2*2*2*2*3*3*3.

Cf. A000040, A001222, A100118, A046363, A133620, A133621, A133623, A133630, A133635.

Cf. A133872, A133880, A133890, A133900, A133910, A134331.

Sequence in context: A319822 A005127 A140773 * A069932 A056148 A304442

Adjacent sequences: A133908 A133909 A133910 * A133912 A133913 A133914

nonn

Hieronymus Fischer, Oct 20 2007

approved