134113
domain: N
Appears in sequences
- The smallest magic constant for n X n magic square with prime entries (regarding 1 as a prime).at n=30A073502
- a(n) = n*(n^3-n^2+n+1)/2.at n=23A100855
- The sum of the next n terms of A114103.at n=22A114105
- Values of (n^5+47*n)/48 as n ranges over the numbers that are == +-1 mod 6.at n=7A151556
- Number of pairs of 2 X 2 matrices over Z/nZ that commute.at n=6A227479
- Odd composite numbers k such that Sum_{i=1..k-1} 2^i * i^(k-2) == Sum_{i=1..(k-1)/2} i^(k-2) (mod k).at n=38A373734