A198438 - OEIS

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A198438

Common differences in triples of squares in arithmetic progression, that are not a multiples of other triples in (A198384, A198385, A198386).

24, 120, 240, 336, 840, 840, 720, 1320, 2520, 2016, 3696, 2184, 5280, 5544, 6240, 3960, 3360, 9360, 10920, 10296, 4896, 6864, 14280, 18480, 6840, 22440, 17160, 10920, 20064, 28560, 9240, 31824, 31920, 31416, 26520, 16320, 12144, 41496, 47880, 43680, 50160 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`a(n) = A198387(A198409(n)) = A198436(n) - A198435(n) = A198437(n) - A198436(n).`
	LINKS	`Ray Chandler, Table of n, a(n) for n = 1..10000` `Reinhard Zumkeller, Table of initial values` `Keith Conrad, Arithmetic progressions of three squares`
	PROG	`(Haskell)` `a198438 n = a198438_list !! (n-1)` `a198438_list = map a198387 a198409_list`
	CROSSREFS	`Sequence in context: A211465 A293893 A137799 * A256629 A114200 A229567` `Adjacent sequences: A198435 A198436 A198437 * A198439 A198440 A198441`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller, Oct 25 2011`
	STATUS	`approved`

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Last modified April 10 21:11 EDT 2021. Contains 342856 sequences. (Running on oeis4.)