A096079 Near hypotenuse numbers, i.e., n such that n^2 -+ 1 = a^2 + b^2, with a, b > 1.

3, 7, 8, 9, 12, 13, 17, 18, 19, 21, 22, 23, 27, 28, 30, 31, 32, 33, 34, 35, 37, 38, 41, 42, 43, 44, 46, 47, 48, 50, 51, 52, 53, 55, 57, 58, 60, 62, 63, 64, 67, 68, 70, 72, 73, 75, 76, 77, 78, 80, 81, 82, 83, 86, 87, 88, 89, 91, 92, 93, 96, 97, 98, 99, 100, 102, 103, 104, 105

Offset: 1

Author

Lekraj Beedassy, Jul 21 2004

Keywords

• nonn

Comments

When a=b, entries are those of A001333. - Lekraj Beedassy, Aug 06 2004

Examples

			8 and 9 are in the sequence because we have 8^2 + 1 = 4^2 + 7^2; 9^2 - 1 = 4^2 + 8^2.
		

Crossrefs

Cf. A001481, A009003.

Union of A050795 and A050796. - Franklin T. Adams-Watters, Apr 26 2009

Extensions

Extended by Ray Chandler, Jul 29 2004