A108945 Squares equal to the sum of the n-th twin prime pair and minimal square k^2.

9, 16, 25, 36, 64, 100, 121, 144, 400, 225, 676, 400, 361, 400, 400, 625, 484, 576, 2500, 625, 1225, 841, 900, 1024, 1444, 1156, 1225, 11236, 12100, 1369, 1764, 19600, 1681, 2116, 1764, 2209, 3025, 2116, 4624, 2209, 2304, 3136, 6400, 3364, 2704, 2704, 3025

Offset: 1

Author

Giovanni Teofilatto, Jul 21 2005

Keywords

• nonn

Examples

			a(1) = 9 because 3+5+1=9;
a(2) = 16 because 5+7+4=16;
a(3) = 25 because 11+13+1=25;
a(4) = 36 because 17+19+0=36.
		

Crossrefs

Cf. A001359, A006512, A108943, A108944.

Formula

a(n) = A001359(n) + A006512(n) + A108944(n).

Extensions

Edited and extended by Ray Chandler, Jul 25 2005