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A067650 The start of a record-breaking run of consecutive integers with a number of prime factors not equal to 2. 1

%I #11 Dec 29 2023 21:05:57

%S 1,16,27,96,598,1419,2682,6560,16054,17966,32778,35104,35982,340895,

%T 1069542,1589663,3586844,5835192,139139888,251306318,285074690,

%U 327023207,751411952,981270903,2655397632,5238280947,6498130362,8512915574

%N The start of a record-breaking run of consecutive integers with a number of prime factors not equal to 2.

%e a(1)= 1 is a run of length 3 before 4 has 2 prime factors. The run 11,12,13 is no new record.

%e a(2)=16=3*5+1 is a run of length 5 below 3*7, a(3)=2*13+1=27 is a run of length 6 below 3*11.

%Y Cf. A067665.

%K nonn

%O 1,2

%A _G. L. Honaker, Jr._, Feb 02 2002

%E a(5)-a(25) from _Jud McCranie_, Feb 14 2002

%E a(26)-a(28) from _Sean A. Irvine_, Dec 29 2023

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Last modified April 19 08:45 EDT 2024. Contains 371782 sequences. (Running on oeis4.)