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A097238
Numbers j that are the hypotenuse of exactly 16 distinct integer-sided right triangles, i.e., j^2 can be written as a sum of two squares in 16 ways.
24
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
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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),
A097239
(17),
A290504
(18),
A290505
(19),
A097103
(22),
A097244
(31),
A097245
(37),
A097282
(40),
A097626
(67).
Sequence in context:
A090060
A250955
A334004
*
A384400
A249879
A046180
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
