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
C. Rivera, Source
FORMULA
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