A147847 Concerning hypotenuses of triangles such that the sum of the two legs is a perfect square.

2, 3, 4, 4, 5, 6, 5, 6, 7, 8, 7, 7, 8, 9, 8, 10, 8, 9, 10, 9, 11, 12, 10, 11, 10, 13, 11, 14, 11, 12, 11, 13, 12, 14, 15, 12, 16, 13, 14, 13, 13, 15, 13, 16, 17, 18, 14, 14, 14, 16, 15, 17, 16, 19, 20, 15, 17, 16, 18, 16, 19, 17, 16

Offset: 0

Author

Paul Curtz, Nov 15 2008

Keywords

• nonn
• uned
• obsc

Comments

The sequence of b's considered in A145906.

A094192 is apparently derived by sorting into natural order.

Examples

			(a,b,c,d,e,f,g,h) = (1,2,1,3,1,5,4,9) with N=7 or (1,3,2,5,7,13,6,19) with N=17 or (3,4,1,5,7,17,10,27) with N=23 or (1,4,3,7,17,25,8,33) with N=31.
		

Links

• M. de Frenicle, Methode pour trouver la solutions des problemes par les exclusions, in: Divers ouvrages de mathematiques et de physique par messieurs de l'academie royale des sciences, (1693) pp 1-44, table on page 31.

Crossrefs

Cf. A143732.