来自在线整数百科全书的问候语!http://oeis.org/ Search: id:a160128 Showing 1-1 of 1 %I A160128 %S A160128 3,7,19,63,235,919,3651,14575,58267,233031,932083,3728287,14913099, %T A160128 59652343,238609315,954437199,3817748731,15270994855,61083979347, %U A160128 244335917311,977343669163,3909374676567,15637498706179 %N A160128 a(n) = number of grid points that are covered after (2^n)th stage of A139250. %H A160128 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,A160128,N.J.A.斯隆,OEIS中的Toothpick目录和元胞自动机序列%F A160128A(n)=A147614(A000)(AN),εF A160128A(n)=(1/9)*(2 ^(2×n+3)+12×n+19)。〔3月29日Nathaniel Johnston 2011〕F %A160128显示A(n)=A139252(2 ^(n+1))。160128CF.A000 000 79,A000 785,A139250,A139252,A139252,A139560,A147614 .%%K A160128,NN %,A160128 0,1 %,A160128,OMAR E.POLLY,09(2009)%A160128条款,在A(10)从Na ShanielJordStnon后,3月29日2011‰内容在OEIS最终用户许可协议下可用:HTTP:/OEIS.Org/许可证-奥马尔·波尔,9月11日2012