|
| |
|
|
A086472
|
|
Primes which are sum of two palindromes.
|
|
0
| |
|
|
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 137, 139, 149, 157, 163, 167, 173, 179, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| Many small primes are members. 43 is the first prime which is not a member.
|
|
|
EXAMPLE
| 41 = 33 + 8, 47 = 44 + 3 are members but 43 is not.
|
|
|
MATHEMATICA
| pal = Select[ Range[1000], FromDigits[ Reverse[ IntegerDigits[ # ]]] == # &];
|
|
|
CROSSREFS
| Cf. A086473.
Sequence in context: A154363 A049555 A052042 * A109611 A181325 A078133
Adjacent sequences: A086469 A086470 A086471 * A086473 A086474 A086475
|
|
|
KEYWORD
| base,easy,nonn
|
|
|
AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 21 2003
|
|
|
EXTENSIONS
| Edited, corrected and extended by Robert G. Wilson v (rgwv(AT)rgwv.com), Jul 27 2003
|
| |
|
|