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A275892型
a(n)=A275890型(n)-A275891型(n) ●●●●。
1, 2, 3, 2, 1, 2, 3, 4, 5, 4, 3, 4, 3, 4, 3, 4, 5, 6, 7, 6, 5, 6, 7, 8, 9, 8, 7, 8, 7, 8, 7, 8, 9, 8, 9, 10, 11, 10, 11, 10, 11, 10, 9, 10, 11, 12, 13, 14, 13, 12, 13, 14, 15, 14, 15, 14, 15, 14, 13, 14, 15, 16, 17, 16, 17, 18, 17, 18, 17, 18, 17, 18, 19, 20, 19, 20, 19, 18, 19, 18, 19, 20, 21, 22, 21
抵消
1,2
评论
显示中还有多少点A065188号在对角线之下而不是对角线之上。
关键词
非n
作者
N.J.A.斯隆2016年8月21日
状态
经核准的