OFFSET
1,2
COMMENTS
Next (29th) term is 1039^28 and contains 85 digits. - Max Alekseyev, Feb 10 2005
EXAMPLE
a(6) = 63 = 3^2*7 has six divisors 1,3,7,9,21 and 63.
PROG
(PARI) { len10(n) = ceil(log(n+1)/log(10)); } { A077350(n) = if(isprime(n), forprime(i=2, 10^5, m=i^(n-1); if(m\10^(len10(m)-len10(n))==n, return(m))), for(d=0, 20, for(i=0, 10^d-1, m=n*10^d+i; if(numdiv(m)==n, return(m)))) ); return(0); } \\ Max Alekseyev
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Nov 05 2002
EXTENSIONS
Corrected and extended by Max Alekseyev, Feb 10 2005
STATUS
approved