已知数列﹛an﹜满足a1=1,当n≥2时,an=3a(n-1)+2,求数列的通项公式

已知数列﹛an﹜满足a1=1,当n≥2时,an=3a(n-1)+2,求数列的通项公式 已知数列｛an｝满足an+1+an=4n-3 当a1=2时,求Sn 已知数列an中满足a1=1且当n.=2时,2an*a*(n-1)+an-a(n-1)=0,求通项公式an 五道高一数学题,在线等1.数列{an}满足:a1=2.当n≥1时,有a(n+1)=an/2+3,求{an}的通项公式an2.已知a1=1,a2=3且a(n+2)-2a(n+1)+an=a,求an3.数列{an}满足a1=1,a(n+1)=4an+(3n+1),求an4.数列{an}满足递推关系：an=a(n-2)+2,且a1= 已知数列{an}满足a0=1,an=a0+a1+…+an－1(n≥1),则当n≥1时,an＝ ( ) 数列an满足a1=1,当n≥2时an²-(n+2)*an-1*an+2*n*an-1²=0 求通项公式 已知数列{an} 满足a1=1/5,且当n>1,n∈N+时,an—1/an=2an—1+1/1—2an(1)求证：数列{1/an} 为等差数列； 已知数列an满足a1=2,an=a(n-1)+2n,（n≥2）,求an 已知数列{an}满足an+1=2an+3.5^n,a1=6.求an 已知数列｛an｝满足a0=1,an=a0 +a1 …+ an-1(n≥1),则当n≥1时,an=?尽量快一...已知数列｛an｝满足a0=1,an=a0 +a1 …+ an-1(n≥1),则当n≥1时,an=? 已知数列{Sn}的通项公式Sn=n^2-21*n/2(n属于N*),又设数列{an}满足:a1=S1,当n大于等于2时,an＝Sn－Sn-1又设数列｛an｝满足a1=S1,当n≥2时,an=Sn-Sn-1.bn=1/(2n+1)+k,且有bn＜an,（m,n∈N*)恒成立,求实数k的取值范围 已知数列﹛an﹜满足：a1＝1,a1a2a3…an＝n^2,求数列通项公式 已知数列｛an｝满足a1=1,a2=2,a3=3,a4=4,a5=5,当n≥5时,a(n+1)=a1a2……an-1,若数列{bn}（n∈N*）当n≥5时，a(n+1)=a1a2……an-1，若数列{bn}（n∈N*），满足bn=a1a2……an-a1^2-a2^2-……-an^2 求证：仅存在两个正整 已知数列｛an｝满足a1=1,a2=2,a3=3,a4=4,a5=5,当n≥5时,a(n+1)=a1a2……an-1,若数列{bn}（n∈N*）,当n≥5时,a(n+1)=a1a2……an-1,若数列{bn}（n∈N*）,满足bn=a1a2……an-a1^2-a2^2-……-an^2 求证：仅存在两个正整数m, 数列〔an〕满足an+1+an=4n-3,当a1=2时,求数列〔an〕前n项和 已知数列an满足an=1+2+...+n,且1/a1+1/a2+...+1/an 已知数列{an}满足a1=1,an+1·an=2^n 则s2012 已知数列{an}满足a1=1/2,sn=n^2an,求通项an