A092016
Numbers that can be expressed as the difference of the squares of primes in exactly twenty distinct ways.
Original entry on oeis.org
885360, 3527160, 3723720, 4444440, 7054320, 8921640, 9304680, 9524760, 9817080, 9849840, 9914520, 10038840, 11152680, 11171160, 12113640, 12543960, 13167000, 13728792, 14108640, 14774760, 15495480, 17264520, 17777760, 17882040
Offset: 1
885360 = 941^2-11^2 = 947^2-107^2 = 967^2-223^2 = 977^2-263^2 =
991^2-311^2 = 1123^2-613^2 = 1289^2-881^2 = 1979^2-1741^2 = 2213^2-2003^2 =
2473^2-2287^2 = 2719^2-2551^2 = 3323^2-3187^2 = 4391^2-4289^2 =
7933^2-7877^2 = 11087^2-11047^2 = 13037^2-13003^2 = 14771^2-14741^2 =
18457^2-18433^2 = 44273^2-44263^2 = 55339^2-55331^2
A092017
Numbers that can be expressed as the difference of the squares of primes in exactly twenty-one distinct ways.
Original entry on oeis.org
2282280, 5165160, 5645640, 5969040, 6754440, 7197960, 8048040, 8075760, 8426880, 8725080, 9267720, 10767120, 11466840, 12235080, 12252240, 12480720, 13508880, 13581960, 13869240, 13901160, 13980120, 14316120, 14665560
Offset: 1
A092018
Numbers that can be expressed as the difference of the squares of primes in exactly twenty-two distinct ways.
Original entry on oeis.org
526680, 2106720, 4037880, 4555320, 4772040, 4924920, 7785960, 9988440, 10330320, 11051040, 11843832, 12525240, 12809160, 13093080, 13933920, 14348040, 15222480, 15513960, 16576560, 19634160, 19677840, 19764360
Offset: 1
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
A092204
Least number that can be expressed as the difference of the squares of primes in exactly n distinct ways.
Original entry on oeis.org
5, 72, 120, 240, 1560, 840, 1848, 7728, 9240, 21840, 10920, 55440, 236208, 469560, 207480, 175560, 185640, 314160, 120120, 885360, 2282280, 526680, 5542680, 5383560, 6366360, 2042040, 4564560, 5091240, 6440280, 2984520, 7382760
Offset: 1
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