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%I #23 Mar 18 2021 23:46:22
%S 2,13,114,1115,11116,111117,1111118,11111119,111111120,1111111121,
%T 11111111122,111111111123,1111111111124,11111111111125,
%U 111111111111126,1111111111111127,11111111111111128,111111111111111129,1111111111111111130
%N (Digit 1 repeated n times) + n.
%C Partial sums of A062397. - _Klaus Purath_, Mar 18 2021
%H Harvey P. Dale, <a href="/A110369/b110369.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) = A002275(n) + n. - _Michel Marcus_, Mar 04 2018
%F a(n) = (10^n - 1)/9 + n. - _Klaus Purath_, Mar 18 2021a(n) =
%e a(12) = 111111111111 + 12 = 111111111123.
%t Table[FromDigits[PadRight[{},n,1]]+n,{n,20}] (* _Harvey P. Dale_, May 15 2019 *)
%o (Sage) [gaussian_binomial(n,1,10)+n for n in range(1,20)] # _Zerinvary Lajos_, May 29 2009
%Y Cf. A002275 (repunits).
%K base,easy,nonn
%O 1,1
%A _Amarnath Murthy_, Jul 24 2005
%E More terms from _Joshua Zucker_, May 08 2006
%E An incorrect recurrence was deleted by _N. J. A. Sloane_, Sep 13 2009
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