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Index of n^2 in A111273.
2

%I #8 Jul 25 2019 19:52:01

%S 1,7,9,31,25,71,49,127,81,199,121,287,169,391,225,511,289,567,361,799,

%T 441,847,529,1151,625,1351,729,1567,841,1224,961,2047,1089,2311,1225,

%U 2591,1369,2887,845,3199,1681,3087,1849,3871,2025,3703,2209,4607,2401,4375

%N Index of n^2 in A111273.

%C A111273(a(n)) = n^2.

%C a(n) = A113658(n^2). - _Rémy Sigrist_, Jul 25 2019

%H Rémy Sigrist, <a href="/A309199/b309199.txt">Table of n, a(n) for n = 1..1000</a>

%H Rémy Sigrist, <a href="/A309199/a309199.gp.txt">PARI program for A309199</a>

%o (PARI) See Links section.

%Y Cf. A111273, A113658.

%K nonn

%O 1,2

%A _N. J. A. Sloane_, Jul 25 2019

%E More terms from _Rémy Sigrist_, Jul 25 2019