66600
domain: N
Appears in sequences
- Numbers k such that 2k+1, 4k+1, 6k+1 and 8k+1 are primes.at n=32A124409
- Experience Points thresholds for levels in the pen and paper role-playing game "Das Schwarze Auge" (DSA, a.k.a. "The Dark Eye").at n=36A124437
- Numbers k such that k and k^2 use only the digits 0, 3, 4, 5 and 6.at n=17A136927
- Lower triangular array, called S1hat(-5), related to partition number array A145372.at n=47A145373
- Numbers with prime factorization p*q^2*r^2*s^3 (where p, q, r, s are distinct primes).at n=30A190109
- Numbers whose set of base-10 digits is {0,6}.at n=28A204093
- The number of edges on a concave circular triangle formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts.at n=16A340687
- E.g.f. satisfies A(x) = 1/(1 - x)^(2 * A(x)).at n=5A355779
- Integers k such that there are i groups of order k+i up to isomorphism, for i=1,2,3.at n=37A373649
- Integers k such that there are i groups of order k+i up to isomorphism, for i=1,2,3,4.at n=2A373650