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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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified October 17 21:37 EDT 2019. Contains 328134 sequences. (Running on oeis4.)