OFFSET
0,2
COMMENTS
Number of Q-toothpicks added at n-th stage in the Q-toothpick structure of A267698.
LINKS
EXAMPLE
When the positive terms are written as an irregular triangle in which the row lengths are the terms of A011782 the sequence begins:
2;
4;
7, 12;
7, 12, 15, 20;
7, 12, 15, 20, 15, 28, 39, 36;
7, 12, 15, 20, 15, 28, 39, 36, 15,...
CROSSREFS
KEYWORD
nonn,tabf,more
AUTHOR
Omar E. Pol, Apr 02 2016
STATUS
approved