OFFSET
1,3
COMMENTS
For n>1, a(n+1)/a(n) is an integer. Therefore, after 2, a(n) is divisible by 6.
The term a(12) has 925 decimal digits; a(13) has 1850 decimal digits. - Michael De Vlieger, Jan 13 2016
MATHEMATICA
a = {0, 1}; Do[AppendTo[a, FromDigits@ Flatten@ Map[IntegerDigits@ # &, If[n < 2, Reverse@ a, a]]], {n, 9}]; FromDigits[IntegerDigits@ #, 2] & /@ a (* Michael De Vlieger, Jan 13 2016 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Giovanni Teofilatto, Jan 13 2016
EXTENSIONS
More terms from Michael De Vlieger, Jan 13 2016
STATUS
approved