A198435 - OEIS

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A198435

First term of a triple of squares in arithmetic progression, which is not a multiple of another triple in (A198384,A198385,A198386).

1, 49, 49, 289, 1, 529, 961, 2401, 289, 2209, 529, 5041, 49, 1681, 1681, 6241, 9409, 49, 961, 5329, 16129, 14161, 7921, 289, 25921, 2209, 12769, 27889, 14161, 1, 39601, 2401, 5329, 10609, 25921, 49729, 58081, 529, 961, 10609, 7921, 36481, 82369, 22801, 47089 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`a(n) = A198439(n)^2 = A198384(A198409(n));` `A198436(n) - a(n) = A198437(n) - A198436(n) = A198438(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)` `a198435 n = a198435_list !! (n-1)` `a198435_list = map a198384 a198409_list`
	CROSSREFS	`Sequence in context: A291480 A255426 A090094 * A165870 A266803 A050709` `Adjacent sequences: A198432 A198433 A198434 * A198436 A198437 A198438`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller, Oct 25 2011`
	STATUS	`approved`

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Last modified May 9 10:39 EDT 2021. Contains 343732 sequences. (Running on oeis4.)