A097239 - OEIS

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A097239

Numbers n that are the hypotenuse of exactly 17 distinct integer-sided right triangles, i.e., n^2 can be written as a sum of two squares in 17 ways.

21125, 36125, 42250, 54925, 63375, 72250, 84500, 105125, 108375, 109850, 122825, 126750, 144500, 147875, 164775, 169000, 171125, 190125, 210125, 210250, 216750, 219700, 232375, 245650, 252875, 253500, 289000, 295750, 315375, 325125, 329550

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OFFSET

1,1

COMMENTS

If m is a term, then 2*m and p*m are terms where p is any prime of the form 4k+3. - Ray Chandler, Dec 30 2019

LINKS

Ray Chandler, Table of n, a(n) for n = 1..10000

CROSSREFS

Cf. A004144 (0), A084645 (1), A084646 (2), A084647 (3), A084648 (4), A084649 (5), A097219 (6), A097101 (7), A290499 (8), A290500 (9), A097225 (10), A290501 (11), A097226 (12), A097102 (13), A290502 (14), A290503 (15), A097238 (16), A290504 (18), A290505 (19), A097103 (22), A097244 (31), A097245 (37), A097282 (40), A097626 (67).

Sequence in context: A371354 A228299 A178279 * A346902 A346886 A346829

Adjacent sequences: A097236 A097237 A097238 * A097240 A097241 A097242

KEYWORD

nonn

AUTHOR

James R. Buddenhagen, Sep 17 2004

EXTENSIONS

More terms from Ray Chandler, Sep 18 2004

Offset corrected by Michel Marcus, Aug 04 2017

STATUS

approved