28222
domain: N
Appears in sequences
- Sequence of sums based on primes = 7 mod 8.at n=34A060108
- Numbers k such that Euler phi(k) / Carmichael lambda(k) = 34.at n=2A066698
- a(n) = (n^5 - n^4 - n^3 + n^2 - 1)*a(n-5) for n > 4, otherwise n!.at n=7A123150
- Row sums of triangle defined in A113821.at n=37A160969
- Numbers with digits 2 and 8 only.at n=38A284922
- Least k > a(n-1) such that k^3 has no digit in common with a(n-1) and a(n+1), a(0)=0.at n=27A294662
- The number of edges formed by straight line segments mutually connecting all vertices of a semicircular polygon defined in A333642.at n=22A330911
- Irregular triangle: T(n,k) gives the number of k-polysticks on edges of the n-cube up to isometries of the n-cube, with 0 <= k <= A001787(n).at n=44A333333
- Pascal-like triangle, where each entry is the sum of the four entries above it starting with 1 at the top.at n=58A356692
- Pascal-like triangle, where each entry is the sum of the four entries above it starting with 1 at the top.at n=62A356692
- Lesser of 2 successive sphenic numbers (k, k+4) sandwiching 3 consecutive nonsquarefree numbers.at n=40A363830
- Numbers k such that 3^sigma(k) - k is a prime.at n=6A367460