A038584 Primes p such that the sum of the primes from 2 through p is a palindrome.

2, 3, 19, 78347, 87641, 139241, 1959253, 9564097, 516916921, 1048924213, 155353386241, 178196630873, 6433462703963, 12702232868389

Offset

1,1

Comments

a(13) > 10^12. - Donovan Johnson, Apr 25 2010

a(15) > 8.79*10^13. - Giovanni Resta, Sep 01 2018

Links

Table of n, a(n) for n=1..14.

C. Rivera, Source

Formula

a(n) = A000040(A038582(n)). - R. J. Mathar, Sep 09 2015

Example

19 is a term because 2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 = 77 is a palindrome.

Crossrefs

Cf. A007504, A038582, A038583, A058846.

Sequence in context: A232498 A254380 A099069 * A108022 A108884 A119584

Adjacent sequences: A038581 A038582 A038583 * A038585 A038586 A038587

Keyword

nonn,base,more

Author

Jud McCranie

Extensions

a(11)-a(12) from Donovan Johnson, Apr 25 2010

a(13)-a(14) from Giovanni Resta, Aug 30 2018

Name corrected by Jon E. Schoenfield, Sep 10 2018

Status

approved