|
| |
|
|
A062687
|
|
Numbers all of whose divisors are palindromic.
|
|
8
| |
|
|
1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 22, 33, 44, 55, 66, 77, 88, 99, 101, 121, 131, 151, 181, 191, 202, 242, 262, 303, 313, 353, 363, 373, 383, 393, 404, 484, 505, 606, 626, 707, 727, 757, 787, 797, 808, 909, 919, 929, 939, 1111, 1331, 1441, 1661, 1991, 2222, 2662
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
EXAMPLE
| 44 has divisors 1, 2, 4, 11, 22 and 44, all palindromes, so 44 is a member.
n=808: divisors={1,2,4,8,101,202,404,808}.
|
|
|
CROSSREFS
| Cf. A087991, A084325.
Sequence in context: A110785 A193413 A087992 * A109882 A109872 A030285
Adjacent sequences: A062684 A062685 A062686 * A062688 A062689 A062690
|
|
|
KEYWORD
| base,easy,nonn
|
|
|
AUTHOR
| Erich Friedman (efriedma(AT)stetson.edu), Jul 04 2001
|
| |
|
|