来自在线整数百科全书的问候语!http://oeis.org/ Search: id:a170846 Showing 1-1 of 1 %I A170846 %S A170846 1,0,0,3,1,0,0,3,1,0,9,6,1,0,0,3,1,0,9,6,1,0,9,6,1,27,27,9,1,0,0,3,1, %T A170846 0,9,6,1,0,9,6,1,27,27,9,1,0,9,6,1,27,27,9,1,27,27,9,82,108,54,12,1,0, %U A170846 0,3,1,0,9,6,1,0,9,6,1,27,27,9,1,0,9,6,1,27,27,9,1,27,27,9,82,108,54,12,1,0 %N A170846 G.f.: Prod_{k >= 2} (1 + 3x^(2^k-1) + x^(2^k)). %H A170846 David Applegate, Omar E. Pol and N. J. A. Sloane,基于细胞自动机的牙签序列及其他序列国会议员,第206卷(2010),157—191页。[定理6中有一个类型:(13)应该读取u(n)=4.3 ^(Wt(n-1)-1),对于n>=2。] %h,A170846,N.J.A.斯隆,OEIS中的Toothpick目录和元胞自动机序列%K A170846,NN 0%AO A170846 0,4‰A170846,N.J.A.SLANEEY,JON 02 2010μl内容在OEIS最终用户许可协议下可用:HTTP:/OEIS.Org/许可证