来自在线整数百科全书的问候语!http://oeis.org/ Search: id:a122628 Showing 1-1 of 1 %I A122628 %S A122628 1,3,6,10,20,43,64,114,185,280,402,554,820,11030,14640,18910,24177, %T A122628 30439,37810,88410,107416,129286,154290,270000,317530,371359,431306, %U A122628 659350,758210,867695,988534,1394984,1576972,1775485,2383290,2665338,3459466,3846532 %N A122628 t(n)_t(n) where t() =三角形数A000 0217.0%C A122628见A122618用于记号。%K A122628非n,基数%AO A122628,1 2 %,A122628×N.J.A.SLaNeNe],9月21日2006‰内容在OEIS最终用户许可协议下可用:HTTP:/OEIS.Org/许可证