A104892 Smallest number whose shortest Lucas chain is of length n.
2, 3, 5, 7, 11, 17, 23, 37, 53, 83, 127, 197, 331, 461, 739, 1123, 1801, 2903, 4463, 6947, 10973, 17539, 26627, 43103, 67079, 109639, 160649, 271829, 432199, 665789, 1080491, 1666943, 2668909, 4182169, 6786257, 10612027, 17010151, 26901547, 42105257, 67208321, 105414851, 169631897, 265359847, 423344501, 672662981, 1065233261, 1653387299, 2680042177, 4243717559, 6698246557
Offset: 1
Keywords
Links
- Daniel Bleichenbacher, Efficiency and Security of Cryptosystems based on Number Theory, PhD Thesis, Diss. ETH No. 11404, Zürich 1996. See p. 69.
- Neill Clift, Lucas/Differential Addition Chains.
- Wikipedia, Lucas chain.
- Index to sequences related to the complexity of n
Extensions
a(30) onwards from Neill M. Clift, Oct 19 2024