A140261 The length of Sapro's necklace at successive years in Werneck's Black Pearl Necklace problem.

3, 5, 7, 10, 14, 21, 32, 47, 71, 106, 158, 237, 356, 533, 800, 1199, 1799, 2698, 4046, 6069, 9104, 13655, 20483, 30724, 46085, 69128, 103691, 155537, 233305, 349957, 524935, 787402, 1181102, 1771653, 2657480, 3986219, 5979329, 8968993

Offset: 0

Author

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

Keywords

• nonn

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

a(n) = A140259(A140260(n)). Cf. A134342.