login
A218874
(A122536(n)-A003000(n))/2.
0
0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 4, 8, 18, 36, 73, 146, 295, 590, 1182, 2364, 4732, 9464, 18929, 37858, 75721, 151442, 302878, 605756, 1211504, 2423008, 4845968, 9691936, 19383784, 38767568, 77534894, 155069788, 310139104, 620278208, 1240555349
OFFSET
1,11
COMMENTS
If a formula or recurrence were known it would explain the mysterious sequence A122536.
200 terms are known from the b-files for A122536 and A003000.
LINKS
B. Chaffin, J. P. Linderman, N. J. A. Sloane and Allan Wilks, On Curling Numbers of Integer Sequences, arXiv:1212.6102, Dec 25 2012.
B. Chaffin, J. P. Linderman, N. J. A. Sloane and Allan Wilks, On Curling Numbers of Integer Sequences, Journal of Integer Sequences, Vol. 16 (2013), Article 13.4.3.
CROSSREFS
Sequence in context: A347036 A297188 A291583 * A212205 A018096 A024415
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 09 2012
STATUS
approved