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 A106548 Perfect squares n^2 which are both the sum and the difference of two primes (otherwise 0). 12
 0, 4, 9, 16, 0, 36, 0, 64, 81, 100, 0, 144, 0, 196, 225, 256, 0, 324, 0, 400, 441, 484, 0, 576, 0, 676, 0, 784, 0, 900, 0, 1024, 1089, 1156, 0, 1296, 0, 1444, 0, 1600, 0, 1764, 0, 1936, 0, 2116, 0, 2304, 0, 2500, 0, 2704, 0, 2916, 0, 3136, 0, 3364, 0, 3600, 0, 3844, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS FORMULA a(n) = Min(A106545(n), A106546(n)). CROSSREFS Cf. A106544-A106547, A106562-A106564, A106571, A106573-A106575, A106577. Sequence in context: A228553 A337568 A070447 * A106546 A276191 A007893 Adjacent sequences:  A106545 A106546 A106547 * A106549 A106550 A106551 KEYWORD easy,nonn AUTHOR Alexandre Wajnberg, May 08 2005 EXTENSIONS Extended by Ray Chandler, May 12 2005 STATUS approved

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Last modified October 20 10:00 EDT 2020. Contains 337900 sequences. (Running on oeis4.)