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

1, 16, 27, 96, 598, 1419, 2682, 6560, 16054, 17966, 32778, 35104, 35982, 340895, 1069542, 1589663, 3586844, 5835192, 139139888, 251306318, 285074690, 327023207, 751411952, 981270903, 2655397632, 5238280947, 6498130362, 8512915574

Offset

1,2

Links

Table of n, a(n) for n=1..28.

Example

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

Crossrefs

Cf. A067665.

Sequence in context: A286429 A329206 A280935 * A123963 A073396 A338093

Adjacent sequences: A067647 A067648 A067649 * A067651 A067652 A067653

Keyword

nonn

Author

G. L. Honaker, Jr., Feb 02 2002

Extensions

a(5)-a(25) from Jud McCranie, Feb 14 2002

a(26)-a(28) from Sean A. Irvine, Dec 29 2023

Status

approved