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 A092018 Numbers that can be expressed as the difference of the squares of primes in exactly twenty-two distinct ways. 0
 526680, 2106720, 4037880, 4555320, 4772040, 4924920, 7785960, 9988440, 10330320, 11051040, 11843832, 12525240, 12809160, 13093080, 13933920, 14348040, 15222480, 15513960, 16576560, 19634160, 19677840, 19764360 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE 526680 = 727^2-43^2 = 733^2-103^2 = 761^2-229^2 = 839^2-421^2 = 863^2-467^2 = 883^2-503^2 = 941^2-599^2 = 1009^2-701^2 = 1123^2-857^2 = 1171^2-919^2 = 1307^2-1087^2 = 1429^2-1231^2 = 1481^2-1291^2 = 1553^2-1373^2 = 1951^2-1811^2 = 2153^2-2027^2 = 3797^2-3727^2 = 6949^2-6911^2 = 7333^2-7297^2 = 9419^2-9391^2 = 11981^2-11959^2 = 14639^2-14621^2 CROSSREFS Cf. A090781, A090782, A090788, A092000-A092020. Sequence in context: A036097 A254039 A170802 * A203930 A215999 A219334 Adjacent sequences:  A092015 A092016 A092017 * A092019 A092020 A092021 KEYWORD nonn AUTHOR Ray Chandler, Feb 22 2004 EXTENSIONS a(9)-a(22) from Donovan Johnson, Nov 26 2008 STATUS approved

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Last modified July 25 13:05 EDT 2021. Contains 346290 sequences. (Running on oeis4.)