A114406 6-almost prime gaps. First differences of A046306.

32, 48, 16, 56, 8, 16, 84, 12, 16, 8, 40, 16, 70, 18, 24, 12, 4, 16, 40, 8, 16, 105, 7, 20, 28, 8, 18, 6, 24, 40, 20, 12, 16, 8, 56, 8, 40, 64, 30, 42, 8, 4, 27, 9, 8, 28, 52, 8, 30, 10, 8, 8, 16, 8, 4, 52, 32, 12, 4, 16, 40, 96, 40, 5, 63, 12, 6, 54, 4, 8, 40, 2, 14, 32, 16, 8, 8, 12, 45

Offset

1,1

Links

Zak Seidov, Table of n, a(n) for n = 1..10000

Formula

a(n) = A046306(n+1) - A046306(n).

Example

a(1) = 32 = 96-64 where 64 is the first 6-almost prime and 96 is the second.
a(2) = 48 = 144-96.
a(3) = 16 = 160-144.
a(4) = 56 = 216-160.
a(5) = 8 = 224-216.
a(6) = 16 = 240-224.
a(7) = 84 = 324-240.
a(8) = 12 = 336-324.
a(22) = 105 = 729-624.

Crossrefs

Cf. A046306, A065516, A111870, A111871, A114403-A114411, A114412-A114422.

Sequence in context: A178311 A319914 A167527 * A271784 A114416 A046304

Adjacent sequences: A114403 A114404 A114405 * A114407 A114408 A114409

Keyword

easy,nonn

Author

Jonathan Vos Post, Nov 25 2005

Extensions

More terms from R. J. Mathar, Aug 31 2007

Status

approved