A143147 a(1)=2. a(n) = the smallest positive multiple of a(n-1) that is > a(n-1) and has the same number of 0's as 1's in its binary representation.

2, 10, 50, 150, 3150, 9450, 141750, 850500, 11056500, 154791000, 773955000, 41019615000, 1066509990000, 3199529970000, 15997649850000, 239964747750000, 2399647477500000, 43193654595000000, 2893974857865000000

Offset: 1

Author

Leroy Quet, Jul 27 2008

Keywords

• base
• nonn

Crossrefs

Cf. A031443, A143146.

Extensions

a(5)-a(19) from Donovan Johnson, Sep 03 2008