login
A069116
Composite k such that the squarefree part of k is greater than sqrt(k).
2
6, 10, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 34, 35, 38, 39, 40, 42, 44, 46, 51, 52, 55, 56, 57, 58, 60, 62, 65, 66, 68, 69, 70, 74, 76, 77, 78, 82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 99, 102, 104, 105, 106, 110, 111, 114, 115, 116, 117, 118, 119, 120, 122
OFFSET
1,1
LINKS
FORMULA
k such that A007913(k) > sqrt(k).
PROG
(PARI) for(n=1, 260, if(core(n)*(1-isprime(n))>sqrt(n), print1(n, ", ")))
CROSSREFS
Cf. A007913.
Sequence in context: A325230 A227299 A082092 * A359870 A376158 A063763
KEYWORD
easy,nonn
AUTHOR
Benoit Cloitre, Apr 06 2002
STATUS
approved