OFFSET
1,2
COMMENTS
A probability argument suggests that this sequence may be finite.
EXAMPLE
a(1) = 2/2 =1; a(2) = 24/(2+4) = 4; a(3) = 246810/(2+4+6+8+10) = 8227; a(4) = 246810121416/(2+4+6+8+10+12+14+16).
MATHEMATICA
With[{eds=Range[2, 1500, 2]}, Select[Table[FromDigits[Flatten[ IntegerDigits/@ Take[eds, n]]]/Total[Take[eds, n]], {n, 502}], IntegerQ]] (* Harvey P. Dale, Nov 29 2011 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Henry Bottomley, Jul 06 2002
STATUS
approved