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 A120571 2n^4+6n^2+4 = 2(n^2+1)(n^2+2). 2
 12, 60, 220, 612, 1404, 2812, 5100, 8580, 13612, 20604, 30012, 42340, 58140, 78012, 102604, 132612, 168780, 211900, 262812, 322404, 391612, 471420, 562860, 667012, 785004, 918012, 1067260, 1234020, 1419612, 1625404, 1852812, 2103300, 2378380 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Largest perimeter of any triangle with integer sides a<=b<=c and inradius n. Triangle has sides (n^2+2,n^4+2n^2+1,n^4+3n^2+1). LINKS David W. Wilson, Table of n, a(n) for n = 1..10000 CROSSREFS See A120062 for sequences related to integer-sided triangles with integer inradius n. Sequence in context: A012581 A012288 A012582 * A086950 A074433 A216491 Adjacent sequences:  A120568 A120569 A120570 * A120572 A120573 A120574 KEYWORD nonn AUTHOR David W. Wilson, Jun 17 2006 STATUS approved

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