login
A050721
Primes arising in A083571.
3
2, 3, 11, 109, 173, 5513600773
OFFSET
1,1
COMMENTS
Prime indices of palindromic triangular numbers.
CROSSREFS
Sequence in context: A300898 A079853 A358602 * A058114 A042337 A061482
KEYWORD
nonn,base,hard
AUTHOR
Patrick De Geest, Sep 15 1999
STATUS
approved