OFFSET
1,1
COMMENTS
Questions:
1) Are there any terms after a(9) which are not of the form 10*k+2?
2) For which primes p do there exist terms in the sequence of the form 2*p^2? The sequence of these primes starts with 5, 7, 11, 19, 29, 41, 71, ...
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Vladimir Shevelev, Apr 04 2011
EXTENSIONS
More terms from Alois P. Heinz, Apr 04 2011
STATUS
approved