A173462 a(n) = A173461(n+1)/2.

4, 6, 4, 26, 6, 6, 42, 18, 14, 94, 6, 6, 42, 18, 18, 126, 18, 18, 126, 54, 46, 314, 6, 6, 42, 18, 18, 126, 18, 18, 126, 54, 54, 378, 18, 18, 126, 54, 54, 378, 54, 54, 378, 162, 146, 1006, 6, 6, 42, 18, 18, 126, 18, 18, 126, 54, 54

Offset: 1

Author

Omar E. Pol, Feb 18 2010

Keywords

• nonn
• more

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.]
• N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS

Crossrefs

Cf. A173458, A173460, A173461, A173463.

Extensions

More terms from Jinyuan Wang, Mar 02 2020