262110
domain: N
Appears in sequences
- Values of m such that N = (am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,63.at n=25A065699
- Let r(n) be the real positive root of Sum_{k=1..n} x^k = 1, then a(n) = round(1/(r(n) - 1/2)).at n=15A079460
- Row sums of triangle A132731.at n=17A132732
- Row sums of triangle A132823.at n=18A132824
- Double, add 0, double, add 1, double, add 2, double, add 3, etc.at n=33A147678
- Number of (w,x,y,z) with all terms in {1,...,n} and w^3>=x^3+y^3+z^3.at n=35A212100
- The real part of b(n) where b(n) = (n + b(n-1)) * (1 + i) with b(-1)=0; i = sqrt(-1).at n=34A309878
- Number of ways to select 3 or more collinear points from a 4 X n grid.at n=15A355552