OFFSET
1,2
COMMENTS
LINKS
Clark Kimberling, Doubly interspersed sequences, double interspersions and fractal sequences, The Fibonacci Quarterly 48 (2010) 13-20.
EXAMPLE
Append the following segments:
1 2 3 4
1 2 5 3 6 4
1 2 7 5 3 8 6 4
1 2 9 7 5 3 10 8 6 4
For n>1, the n-th segment arises from the (n-1)st by inserting 2*n+1 at position 3 and 2*n+2 at position n+3.
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jul 24 2009
STATUS
approved