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A139559
Primes in A139252 (related to the toothpick structure).
1
3, 5, 7, 11, 17, 19, 23, 31, 59, 61, 67, 71, 83, 103, 107, 127, 139, 233, 239, 311, 439, 883, 919, 971, 983, 1039, 1087, 1091, 1123, 1399, 1487, 1567, 1747, 1811, 1999, 2131, 2383, 2467, 2927, 3391, 3583, 3659, 3671, 3691
OFFSET
1,1
LINKS
David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata, Congressus Numerantium, Vol. 206 (2010), 157-191. [There is a typo in Theorem 6: (13) should read u(n) = 4.3^(wt(n-1)-1) for n >= 2.]
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, May 17 2008
EXTENSIONS
Terms after a(17) from Nathaniel Johnston, Mar 29 2011
STATUS
approved