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 A198385 Second of a triple of squares in arithmetic progression. 16
 25, 100, 169, 225, 289, 400, 625, 676, 625, 841, 900, 1156, 1369, 1225, 1681, 1521, 1600, 2500, 2025, 2704, 2601, 2500, 3721, 2809, 3025, 4225, 3364, 3600, 4225, 4225, 4225, 4624, 5625, 5476, 7225, 4900, 6724, 6084, 5329, 5625, 6400, 7225, 7225, 7225, 7921 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS a(n) = A198389(n)^2; a(n) - A198384(n) = A198386(n) - a(n) = A198387(n). A198436(n) = a(A198409(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) a198385 n = a198385_list !! (n-1) a198385_list = map (^ 2) a198389_list CROSSREFS Sequence in context: A144854 A237202 A335717 * A134422 A016850 A309779 Adjacent sequences:  A198382 A198383 A198384 * A198386 A198387 A198388 KEYWORD nonn AUTHOR Reinhard Zumkeller, Oct 24 2011 STATUS approved

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Last modified April 10 22:34 EDT 2021. Contains 342857 sequences. (Running on oeis4.)