摘要
余新河数学题中各数列在[1，M]中的项数，本文给出了一个精确的公式。
Theorem Let Erdenote the SumWhereP = (P1, P2, ......, Pn ) are all the prime numbers possessing the forms 30ξ+ k1, hi∈ {7, 11, 13， 17, 19, 23, 29, 31}, 0≤ξ≤cσp, cop is the greatest integer which is satisfied with 30cσ21,ar is the innal value ofPij The number of terms ofYu Xinhe sequence
出处
《成都大学学报（自然科学版）》
1998年第1期15-18,共4页
Journal of Chengdu University（Natural Science Edition）
