
0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 11, 22, 33, 44, 55, 66, 77, 88, 99, 110, 22, 33, 44, 55, 66, 77, 88, 99, 110, 121, 33, 44, 55, 66, 77, 88, 99, 110, 121, 132, 44, 55, 66, 77, 88, 99, 110, 121, 132, 143, 55, 66, 77, 88, 99, 110, 121, 132, 143, 154, 66, 77, 88, 99, 110
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OFFSET

0,2


COMMENTS

If n has an even number of digits then a(n) is a multiple of 11.


LINKS

T. D. Noe, Table of n, a(n) for n = 0..1000
Index entries for sequences related to Reverse and Add!
Eric Weisstein's World of Mathematics, ReverseThenAdd Sequence


FORMULA

a(n) =n+A004086(n) =2nA056965(n)


EXAMPLE

a(17)=17+71=88


MATHEMATICA

Table[n+FromDigits[Reverse[IntegerDigits[n]]], {n, 0, 100}] (* Harvey P. Dale, Jul 19 2014 *)


PROG

(Haskell)
a056964 n = n + a004086 n  Reinhard Zumkeller, Oct 14 2011
(PARI) a(n)=fromdigits(Vecrev(digits(n)))+n \\ Charles R Greathouse IV, Oct 28 2014


CROSSREFS

Cf. A004086, A056965. Differs from A052008(n) when n=101 and a(101)=202 while A052008(101)=121
Cf. A036839.
Sequence in context: A064806 A062028 A070196 * A052008 A117463 A095371
Adjacent sequences: A056961 A056962 A056963 * A056965 A056966 A056967


KEYWORD

nonn,base,easy


AUTHOR

Henry Bottomley, Jul 18 2000


STATUS

approved

