A143147 - cp's OEIS frontend

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.

n	a(n)
1	2
2	10
3	50
4	150
5	3150
6	9450
7	141750
8	850500
9	11056500
10	154791000
11	773955000
12	41019615000
13	1066509990000
14	3199529970000
15	15997649850000
16	239964747750000
17	2399647477500000
18	43193654595000000
19	2893974857865000000

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

cp's OEIS Frontend

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.

Table of values

List of values