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
Examples
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.
Links
- Zak Seidov, Table of n, a(n) for n = 1..10000
Extensions
More terms from R. J. Mathar, Aug 31 2007