%I #15 Oct 07 2014 20:35:51
%S 0,4,8,21,61,2,42,82,23,63,4,44,84,25,65,6,46,86,27,67,8,48,88,29,69,
%T 1,401,801,211,611,21,421,821,231,631,41,441,841,251,651,61,461,861,
%U 271,671,81,481,881,291,691,2
%N Multiples of 4 with digits backwards.
%o (PARI) a(n) = subst(Polrev(digits(4*n)), x, 10); \\ _Michel Marcus_, Oct 06 2014
%Y Cf. A004093 (multiples of 2 backwards), A008586 (multiples of 4).
%K nonn,base
%O 0,2
%A _Jacy Fang_, Oct 06 2014