#来自在线整数序列百科全书的问候!http://oeis.org/搜索:id:a286787显示第1-1页,共1页%一A286787%S A286787 1,234167344134613262037954636792122339296829409134545,%电话:A286787 7576865504552087068063552861296461311796019140704352872949,%美国电话:A286787 63371070175202263522185391759982205904819180275431111135536318265284302338028900491298154677953793604344755473817874169725876166480%N A286787 A286781第2列。%H A286787格奥尔赫·科塞雷亚,n=2..211的n,a(n)表%o A286787(巴黎)%o A286787 A286781用户(N,t='t)={%o A286787车型年款(x='x+o('x^N),y0=1+o('x^N),y1=0,N=1);%o A286787 while(n++,%o A286787 y1=(1+x*y0+2*x^2*y0')*(1-x*y0*(1-t))/(1-x*y0)^2;%o A286787如果(y1==y0,break());y0=y1;);%o A286787 y0;%o A286787};%o A286787科尔(K,N=20)={%o A286787车型年款(s=A286781用户(N+K,‘t+o('t^(K+1))));%o A286787矢量(N,N,polcoeff(polcoeff(s,K+N-1),K));%o A286787};%o A286787科尔(2)%Y A286787,参见A286781。%K A286787无%O A286787 2,2%2017年5月16日,A A286787∗戈尔盖科塞雷亚∗#根据OEIS最终用户许可协议提供内容:http://oeis.org/LICENSE