

A104806


"Round of hypotenuse", see comments.


3



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
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OFFSET

1,2


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)].


LINKS

Table of n, a(n) for n=1..32.


CROSSREFS

Cf. A104803, A104804, A104805.
Sequence in context: A239640 A100091 A239483 * A241442 A043551 A162888
Adjacent sequences: A104803 A104804 A104805 * A104807 A104808 A104809


KEYWORD

nonn


AUTHOR

Zak Seidov, Mar 26 2005


STATUS

approved



