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Search: id:A086472
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| A086472 |
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Primes which are sum of two palindromes. |
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+0
1
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| 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; listen)
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OFFSET
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1,1
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COMMENT
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Many small primes are members. 43 is the first prime which is not a member.
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EXAMPLE
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41 = 33 + 8, 47 = 44 + 3 are members but 43 is not.
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MATHEMATICA
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pal = Select[ Range[1000], FromDigits[ Reverse[ IntegerDigits[ # ]]] == # &];
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CROSSREFS
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Cf. A086473.
Sequence in context: A103146 A049555 A052042 this_sequence A109611 A078133 A089189
Adjacent sequences: A086469 A086470 A086471 this_sequence A086473 A086474 A086475
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KEYWORD
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base,easy,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 21 2003
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EXTENSIONS
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Edited, corrected and extended by Robert G. Wilson v (rgwv(AT)rgwv.com), Jul 27 2003
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