A104806 "Round of hypotenuse", see comments.

1, 3, 3, 4, 5, 7, 9, 11, 14, 18, 23, 29, 37, 47, 60, 77, 97, 124, 158, 201, 255, 324, 413, 525, 668, 849, 1081, 1374, 1748, 2224, 2829, 3598

Offset: 1

Author

Zak Seidov, Mar 26 2005

Keywords

• nonn

Comments

Start with a=1, b=3; repeating procedure "c=sqrt[a^2+b^2], a=b,b=c" gives: s = 1,3, Sqrt[10], Sqrt[19], Sqrt[29], 4*Sqrt[3], Sqrt[77],5*Sqrt[5], Sqrt[202],Sqrt[327], 23, 2*Sqrt[214],Sqrt[1385], 3*Sqrt[249],... Then A104806(n)=round[s(n)].

Crossrefs

Cf. A104803, A104804, A104805.