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A046485
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Sum of first n palindromic primes A002385.
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2
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2, 5, 10, 17, 28, 129, 260, 411, 592, 783, 1096, 1449, 1822, 2205, 2932, 3689, 4476, 5273, 6192, 7121, 17422, 27923, 38524, 49835, 61246, 73667, 86388, 99209, 112540, 126371, 140302, 154643, 169384, 184835, 200386, 216447, 232808, 249369, 266030
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The subsequence of prime partial sum of palindromic primes begins: 2, 5, 17, 5273, 7121, 154643, 283501. What is the smallest nontrivial (i.e. multidigit) palindromic prime partial sum of palindromic primes? [Jonathan Vos Post (jvospost3(AT)gmail.com), Feb 07 2010]
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LINKS
| P. De Geest, World!Of Palindromic Primes
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FORMULA
| a(n) = SUM[i=1..n] A002385(i) = SUM[i=1..n] {p prime and R(p) = p, i.e. primes whose decimal expansion is a palindrome}. [Jonathan Vos Post (jvospost3(AT)gmail.com), Feb 07 2010]
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CROSSREFS
| Cf. A002385, A007504, A046489.
Cf. A000040, A007500, A006567, A016041, A029732, A117697. [Jonathan Vos Post (jvospost3(AT)gmail.com), Feb 07 2010]
Sequence in context: A172982 A178137 A071602 * A109377 A109472 A172167
Adjacent sequences: A046482 A046483 A046484 * A046486 A046487 A046488
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KEYWORD
| nonn,base
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com), Sep 15 1998.
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EXTENSIONS
| Offset set to 1 - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 21 2010
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