A188345 Number of diamonds present in the n-th generation of the Q-toothpick sequence A187210.
0, 0, 0, 0, 0, 3, 5, 5, 11, 21, 29, 29, 35, 43, 49, 53, 75, 105, 121, 121, 127, 135, 141, 145, 167, 195, 209, 213, 231, 251, 265, 293, 367, 445, 477, 477, 483, 491, 497, 501, 523, 551, 565, 569, 587, 607, 621, 649, 723, 799
Offset: 0
Keywords
Links
- Nathaniel Johnston, Table of n, a(n) for n = 0..181
- 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.]
- Nathaniel Johnston, The Q-Toothpick Cellular Automaton
- N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS
Comments