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A038584
Primes p such that the sum of the primes from 2 through p is a palindrome.
3
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
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
KEYWORD
nonn,base,more
AUTHOR
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