

A102279


Numbers n such that n = phi(d_1)!*phi(d_2)!* ... *phi(d_k)! where d_1 d_2 ... d_k is the decimal expansion of n and assume that phi(0)=0.


1




OFFSET

1,2


COMMENTS

All terms are of the form 2^i*3^j*5^t.


LINKS



EXAMPLE

17280 is in the sequence because 17280 = phi(1)!*phi(7)!*phi(2)!*phi(8)!*phi(0)!.


CROSSREFS



KEYWORD

base,less,nonn


AUTHOR



STATUS

approved



