A105521 - OEIS

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A105521

Sums of area and perimeter of primitive Pythagorean triples.

1

18, 60, 100, 140, 270, 280, 294, 462, 648, 728, 756, 1078, 1080, 1210, 1496, 1530, 1584, 1768, 2028, 2090, 2574, 2772, 2860, 2990, 3150, 3588, 3910, 4550, 4624, 4680, 4950, 5434, 5670, 5984, 6498, 6960, 7140, 7548, 8330, 8398, 8432, 8436, 8820, 9568, 10098

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

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..45.

Douglas Butler, Table of Pythagorean triples up to 2100, Oundle School iCT Training Centre

Ron Knott, Pythagorean triples.

CROSSREFS

Cf. A103605, A103606, A024364, A024406, A105520

Sequence in context: A056448 A056438 A218617 * A154563 A325043 A338536

Adjacent sequences: A105518 A105519 A105520 * A105522 A105523 A105524

KEYWORD

easy,nonn

AUTHOR

Alexandre Wajnberg, May 02 2005

EXTENSIONS

Corrected and extended by Harvey P. Dale, Oct 27 2018

STATUS

approved