来自在线整数百科全书的问候语!http://oei.org/y*1-1(1),A089108,S 0A10898,13,16,20,24,28,33,38,45,55,61,68,75,828,908106115124,% %T A089108 13314316173181741962082202422524812512899313328,% %U A08910834 3353903404024440475 775 49 35351153054 95685 88 608,搜索:ID:A089108显示628πn A089108卷积斐波那契数Gy4^(r)。卷积斐波那契数%H A089108常系数线性递归的索引项, signature (2,-1,1,-2,1). %F A089108 G.f.: x(x^4-2x^3-x+3)/[(1-x^3)(1-x)^2]. %p A089108 with(numtheory): f := z->1/(1-z-z^2): m := proc(r,j) d := divisors(r): W := (1/r)*z*sum(mobius(d[i])*f(z^d[i])^(r/d[i]),i=1..nops(d)): Wser := simplify(series(W,z=0,80)): coeff(Wser,z^j) end: seq(m(r,4),r=1..60); %t A089108 LinearRecurrence[{2, -1, 1, -2, 1}, { 3, 5, 7,10, 13 },60〕(*-Jeang-Frang-Souo-Alcopi],11月28日2017*),%O09108,N089%8,A089108,1,1%,A089108,N.J.A.SLaNeNe],DEC 05,2003 A%A089108,由E.Emier-Duuts]编辑,MAR 06 2004‰内容可在OEIS最终用户许可协议下获得:HTTP:/OEIS.Org/许可证