30036
domain: N
Appears in sequences
- A generalized PolyLog triangular sequence of coefficients: k = (n + 1); b0 = 1; p(x,n,k)=(k - 1)!*(1 - x)^n*PolyLog[ -n, k, x]/(x*Log[1 - x]); t(n,m)=Coefficients(p(b0,n,k)).at n=26A142336
- Sums of 2 distinct primorials.at n=16A177689
- Irregular triangular array T(n,k) of consecutive composites.at n=33A226085
- Numbers that are the sum of distinct primorial numbers (A002110) (not including 1).at n=33A290249
- a(n) = Sum_{p|n, p prime} (p #).at n=38A345284
- Numbers that are the sum of seven fourth powers in exactly seven ways.at n=28A345829
- a(n) is the position of A138534(n) in A025487.at n=10A346043
- Triangle read by rows: T(n,k) = A002110(n) + A002110(k), 0 <= k <= n; sums of two primorials, not necessarily distinct.at n=23A370121
- Numbers k such that (A276086(k)/s)^s < k^(s-1), where A276086 is the primorial base exp-function, and s = bigomega(k).at n=48A370127
- Triangle read by rows: T(n,k) = A002110(n) + A002110(k), 1 <= k <= n; sums of two primorials > 1, not necessarily distinct.at n=16A370134
- Number of vertices among all distinct circles that can be constructed from the 3 vertices and the equally spaced 3*n points placed on the sides of an equilateral triangle when every pair of the 3 + 3*n points are connected by a circle and where the points lie at the ends of the circle's diameter.at n=7A372731
- Fully additive with a(p) = p# for prime p, where x# is the primorial A034386(x).at n=38A373158