1,1

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

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

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.

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

easy,nonn

Jonathan Vos Post, Nov 25 2005

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

approved