OFFSET
1,2
COMMENTS
Except first three terms, sqrt(a(n)/400) is an integer, also sqrt(a(n+1/a(n)) is an integer. [From Giovanni Teofilatto, May 16 2010]
MATHEMATICA
((Prime[Range[10]]-1)!)^2 (* Harvey P. Dale, Apr 13 2014 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Giovanni Teofilatto, May 15 2010
EXTENSIONS
One more term from Harvey P. Dale, Apr 13 2014
STATUS
approved