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A184763 Irregular triangle in which row n has the values of k>n such that Sum_{i=n..k} i^2 is a square. 9
24, 4, 580, 963, 29, 39, 56, 190, 2215, 32, 552057, 22908, 108, 111, 326, 39, 5345, 28, 21, 43, 308, 1221044, 116, 80, 6910, 48, 50, 73, 578, 624, 3625, 21624, 59, 364, 77, 123, 198, 609, 4087, 61281, 148856, 48, 96, 349, 686, 11918, 67, 93, 171, 15674, 147, 389, 3533, 2132, 92, 3238, 305, 282, 928, 116, 8516, 194, 22873, 36554, 99, 276, 26003, 136, 332 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Sequence A184762 gives the length of row n. A180442 lists the nonempty rows.
REFERENCES
See A180442.
LINKS
EXAMPLE
The triangle is
(row 1) 24
(row 3) 4, 580, 963
(row 7) 29, 39, 56, 190, 2215
(row 9) 32, 552057
(row 11) 22908
(row 13) 108
(row 15) 111, 326
CROSSREFS
Cf. A184885 (number of squares in each sum), A184886 (sqrt of sums).
Sequence in context: A040562 A267285 A040563 * A107674 A040560 A040558
KEYWORD
nonn,hard,tabf
AUTHOR
T. D. Noe, Jan 21 2011
STATUS
approved

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Last modified July 21 02:16 EDT 2024. Contains 374462 sequences. (Running on oeis4.)