A056894 If the smallest prime with a square excess of n is p then a(n)=p-n.

1, 1, 4, 9, 36, 25, 16, 81, 64, 49, 36, 49, 100, 225, 64, 81, 576, 121, 144, 441, 256, 169, 144, 169, 256, 225, 196, 289, 324, 961, 400, 729, 400, 529, 324, 361, 484, 441, 400, 529, 576, 529, 576, 729, 784, 841, 900, 625, 1444, 1521, 676, 961, 900, 1225, 784

Offset: 1

Author

Henry Bottomley, Jul 05 2000

Keywords

• nonn

Examples

			a(4)=9 because the smallest prime with a square excess of 4 is 13 and 13-4=9
		

Crossrefs

Cf. A000040, A000196, A002496, A048760, A053186, A056892-A056898.

Formula

a(n) = A056893(n) - n = A048760(A056893(n)) = A056895(n)^2