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 A243887 (p^2 - 3)/2 for odd primes p. 2
 3, 11, 23, 59, 83, 143, 179, 263, 419, 479, 683, 839, 923, 1103, 1403, 1739, 1859, 2243, 2519, 2663, 3119, 3443, 3959, 4703, 5099, 5303, 5723, 5939, 6383, 8063, 8579, 9383, 9659, 11099, 11399, 12323, 13283, 13943, 14963, 16019, 16379, 18239, 18623, 19403, 19799 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 FORMULA a(n) = A216244(n) - 1.  [Robert Israel, Jun 15 2014] MATHEMATICA Table[(Prime[n]^2 - 3)/2, {n, 2, 100}] PROG (MAGMA) [(p^2-3)/2: p in PrimesInInterval(3, 300)]; CROSSREFS Cf. A065091, A165635, A216244. Sequence in context: A128928 A289888 A145477 * A098828 A165635 A337476 Adjacent sequences:  A243884 A243885 A243886 * A243888 A243889 A243890 KEYWORD nonn,easy AUTHOR Vincenzo Librandi, Jun 15 2014 STATUS approved

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Last modified May 18 22:26 EDT 2021. Contains 344004 sequences. (Running on oeis4.)