A115886 Triangular numbers equal to the sum of a prime number with its index.

3, 91, 276, 378, 666, 1225, 2080, 2145, 2278, 3486, 4186, 4560, 5565, 8646, 11628, 17020, 18528, 21115, 22791, 23220, 25425, 27730, 32385, 34716, 41905, 42195, 43365, 56616, 69751, 74691, 79003, 93528, 93961, 94395, 98790, 105570, 111628

Offset: 1

Author

Giovanni Resta, Feb 06 2006

Keywords

• nonn

Examples

			666=T(36)=103+p(103).
		

Crossrefs

Cf. A115882.