A178799 Difference between consecutive least integers of each prime signature.

1, 2, 2, 2, 4, 4, 8, 6, 2, 4, 12, 12, 4, 8, 24, 24, 8, 16, 36, 12, 18, 6, 24, 16, 32, 72, 24, 36, 12, 48, 32, 64, 144, 48, 72, 24, 36, 60, 64, 56, 72, 108, 36, 144, 96, 144, 48, 72, 120, 128, 112, 144, 6, 210, 72, 288, 192, 288, 96, 144, 240, 256, 224, 288, 12, 420, 144, 216

Offset

1,2

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Formula

a(n) = A025487(n+1) - A025487(n).

Prog

(Haskell)
a178799 n = a178799_list !! (n-1)
a178799_list = zipWith (-) (tail a025487_list) a025487_list
-- Reinhard Zumkeller, Sep 17 2014

Crossrefs

Cf. A025487

Sequence in context: A366598 A350457 A010238 * A360360 A089819 A059888

Adjacent sequences: A178796 A178797 A178798 * A178800 A178801 A178802

Keyword

easy,nonn

Author

Will Nicholes, Jun 15 2010

Extensions

Minor edits by Ray Chandler, Jul 31 2010

Status

approved