20166
domain: N
Appears in sequences
- Numbers k such that 8^k == -1 (mod k-1).at n=14A055691
- Numbers k such that 6*k+5, 6*k+11, 6*k+17, 6*k+23 are consecutive primes.at n=22A090836
- The number of permutations p of {1,...,n} such that |p(i)-p(i+1)| is in {2,3,4} for all i from 1 to n-1.at n=13A174704
- Numbers n such that there is no triangular n-gonal number greater than 1.at n=35A188892
- Numbers k such that 3^k - 10 is prime.at n=28A217347
- a(n) = 318*2^n - 186 (n>=1).at n=5A304511
- a(n) = 13*n^2 + 10*n + 3.at n=39A387659