A140260 Those n for which A140259(n) = A002264(n+11).

0, 4, 10, 19, 33, 54, 85, 132, 202, 307, 465, 702, 1057, 1590, 2389, 3588, 5386, 8083, 12129, 18198, 27301, 40956, 61438, 92161, 138246, 207373, 311064, 466600, 699904, 1049860, 1574794, 2362195, 3543297, 5314950, 7972429, 11958648

Offset: 0

Author

Antti Karttunen, May 16 2008, based on the 2008 postings by Nicolau Leal Werneck (nwerneck(AT)gmail.com)

Keywords

• nonn

Comments

These are the iterations where the knot comes to the front of the necklace in Werneck's Black Pearl Necklace problem.

Links

• Nicolau Werneck, Adaptoide, a library for adaptive finite automata. Source code in C++ available.
• Nicolau Werneck, The Black Pearl Necklace, description of the problem.
• Nicolau Werneck, et al. Discussion on the NKS Forum

Crossrefs

Cf. A134342, A140261, A140262.