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A009023 Long legs of Pythagorean triangles. 8
4, 8, 12, 15, 16, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 44, 45, 48, 52, 55, 56, 60, 63, 64, 68, 70, 72, 75, 76, 77, 80, 84, 88, 90, 91, 92, 96, 99, 100, 104, 105, 108, 110, 112, 116, 117, 120, 124, 126, 128, 132, 135, 136, 140, 143, 144, 147, 148, 150, 152, 153, 154, 156 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A227481(a(n)) > 1. - Reinhard Zumkeller, Oct 11 2013

REFERENCES

Wacław Sierpiński, Pythagorean triangles, Dover books [From Benoit Cloitre, Oct 17 2009]

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..1000

FORMULA

Does a(n)/n converge to some limit? - Benoit Cloitre, Oct 18 2009

PROG

(Haskell)

a009023 n = a009023_list !! (n-1)

a009023_list = filter ((> 1) . a227481) [1..]

-- Reinhard Zumkeller, Oct 11 2013

CROSSREFS

Cf. A074235 (complement).

Sequence in context: A044889 A248159 A190679 * A099309 A235865 A073432

Adjacent sequences:  A009020 A009021 A009022 * A009024 A009025 A009026

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified August 18 04:40 EDT 2017. Contains 290684 sequences.