A074288 n-th term of the Kolakoski sequence (A000002) multiplied by the n-th partial sum.
1, 6, 10, 6, 7, 18, 10, 24, 28, 15, 34, 38, 20, 21, 46, 24, 25, 54, 58, 30, 64, 33, 34, 72, 37, 78, 82, 42, 43, 90, 46, 47, 98, 50, 104, 108, 55, 114, 118, 60, 61, 126, 64, 132, 136, 69, 142, 72, 73, 150, 76, 77, 158, 162, 82, 168, 172, 87, 88, 180, 91, 186
Offset: 1
Examples
The Kolakoski sequence begins 1,2,2,1,1,2,... and its sequence of partial sums (A054353) begins 1,3,5,6,7,9,... Therefore the opening terms are 1,6,10,6,7,18.
Links
- Nathaniel Johnston, Table of n, a(n) for n = 1..10000
Extensions
Edited and offset corrected by Nathaniel Johnston, May 02 2011