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A039665 Sets of 4 consecutive numbers with equal number of divisors. 6

%I #9 May 18 2013 16:49:21

%S 242,243,244,245,3655,3656,3657,3658,4503,4504,4505,4506,5943,5944,

%T 5945,5946,6853,6854,6855,6856,7256,7257,7258,7259,8392,8393,8394,

%U 8395,9367,9368,9369,9370,10983,10984,10985,10986,11605,11606,11607,11608

%N Sets of 4 consecutive numbers with equal number of divisors.

%C Taking the first entry in each set gives A006601.

%D D. Wells, Curious and interesting numbers, Penguin Books, p. 134

%Y Cf. A000005, A005237, A005238, A006601, A049051, A006558, A019273.

%K nonn

%O 1,1

%A _Felice Russo_

%E More terms from _Patrick De Geest_, Nov 15 1999

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)