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a(n) = n + largest digit of n.
4

%I #19 May 03 2024 18:55:19

%S 2,4,6,8,10,12,14,16,18,11,12,14,16,18,20,22,24,26,28,22,23,24,26,28,

%T 30,32,34,36,38,33,34,35,36,38,40,42,44,46,48,44,45,46,47,48,50,52,54,

%U 56,58,55,56,57,58,59,60,62,64,66,68,66,67,68,69,70,71,72,74,76,78,77,78

%N a(n) = n + largest digit of n.

%H Reinhard Zumkeller, <a href="/A095815/b095815.txt">Table of n, a(n) for n = 1..10000</a>

%e a(19) = 19 + 9 = 28.

%e a(77) = 77 + 7 = 84.

%t #+Max[IntegerDigits[#]]&/@Range[100] (* _Harvey P. Dale_, May 03 2024 *)

%o (Haskell)

%o a095815 n = n + fromIntegral (a054055 n) -- _Reinhard Zumkeller_, Aug 23 2011

%o (Python)

%o def A095815(n): return n + max(int(d) for d in str(n)) # _Chai Wah Wu_, Jun 06 2022

%Y Cf. A054055; A045844 (iterated).

%Y Cf. A182324.

%K base,easy,nonn

%O 1,1

%A _Jason Earls_, Jul 10 2004