|
%I #14 Sep 27 2018 14:48:02
%S 0,2,4,6,8,10,12,14,16,10,20,30,40,50,60,70,80,90,20,30,40,50,60,70,
%T 80,90,100,30,40,50,60,70,80,90,100,110,40,50,60,70,80,90,100,110,120,
%U 50,60,70,80,90,100,110,120,130,60,70,80,90,100,110,120,130,140,70,80,90
%N a(n) = n + reversal of base 9 digits of n (written in base 10).
%C If n has an even number of digits in base 9 then a(n) is a multiple of 10
%H Seiichi Manyama, <a href="/A055958/b055958.txt">Table of n, a(n) for n = 0..10000</a>
%F a(n) = n + A030108(n).
%t Table[n+FromDigits[Reverse[IntegerDigits[n,9]],9],{n,0,70}] (* _Harvey P. Dale_, Sep 03 2013 *)
%o (PARI) a(n) = n + fromdigits(Vecrev(digits(n, 9)), 9); \\ _Michel Marcus_, Sep 27 2018
%Y Cf. A056964.
%K nonn,base,look
%O 0,2
%A _Henry Bottomley_, Jul 18 2000
|
