OFFSET
1,1
MATHEMATICA
Select[Range[4000], IntegerQ[5!(2#-6)!/(#!(#-1)!)]&] (* Harvey P. Dale, Jun 05 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
3 and 5 added to the sequence by Harvey P. Dale, Jun 05 2011
STATUS
approved