A058845 - OEIS

A058845

Numbers n such that the sum of the first n odd primes is palindromic.

1, 2, 49, 54, 172, 921, 1421, 12485, 78653, 1969457, 5606014, 90638394

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OFFSET

1,2

COMMENTS

a(13) > 2.8*10^12, if it exists. - Giovanni Resta, Sep 01 2018

LINKS

EXAMPLE

Palindromes are 3 + 5 + 7 + 11 + 13 + 17 + ... + z. For values of z see A058846.

MATHEMATICA

Position[Accumulate[Prime[Range[2, 91*10^6]]], _?PalindromeQ]//Flatten (* Harvey P. Dale, Sep 12 2023 *)

CROSSREFS

KEYWORD

nonn,base,more

AUTHOR

STATUS

approved