A097238 Numbers n that are the hypotenuse of exactly 16 distinct integer-sided right triangles, i.e., n^2 can be written as a sum of two squares in 16 ways.

40625, 53125, 81250, 90625, 106250, 115625, 121875, 128125, 159375, 162500, 165625, 181250, 190625, 212500, 228125, 231250, 243750, 256250, 271875, 278125, 284375, 303125, 315625, 318750, 325000, 331250, 340625, 346875, 353125, 362500

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), A097239 (17), A290504 (18), A290505 (19), A097103 (22), A097244 (31), A097245 (37), A097282 (40), A097626 (67).

Sequence in context: A090060 A250955 A334004 * A249879 A046180 A031668

Adjacent sequences: A097235 A097236 A097237 * A097239 A097240 A097241

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