OFFSET
1,1
COMMENTS
Also largest highly composite number(A002182) with n digits. - Amiram Eldar, Jul 02 2019
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..1000
FORMULA
EXAMPLE
a(1) = 6 since 6 has 4 divisors and that is the record for 1-digit numbers.
a(1) = 6 since 6 has 4 divisors and k has at most 3 divisors for k < 6 and not more than 4 divisors for 6 < k <= 9.
PROG
(PARI) a066151(m, n) = local(d, a, k, b, c); for(d=m, n, a=0; for(k=10^d, 10^(d+1)-1, b=numdiv(k); if(b>a, a=b; c=k)); print1(c, ", "))
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
N. J. A. Sloane, Dec 13 2001
EXTENSIONS
More terms from Klaus Brockhaus, Dec 17 2001
More terms from David Wasserman, Jan 25 2002
STATUS
approved