456288
domain: N
Appears in sequences
- a(1) = 6; for n>1, a(n) = prime(n)*(prime(n)^2 - 1)/2.at n=24A117762
- Half of product of three numbers: n-th prime, previous and following number.at n=24A127918
- Primitive non-solvable numbers: orders of non-solvable groups such that all groups with order a proper divisor of that order are solvable.at n=17A216480
- Order of the non-isomorphic groups PSL(m,q) [or PSL_m(q)] in increasing order as q runs through the prime powers.at n=37A334884
- Orders of the groups PSL(m,q) in increasing order as q runs through the prime powers (without repetitions).at n=36A334994
- Orders of the groups PSL(m,q) in increasing order as q runs through the prime powers (with repetitions).at n=39A335000
- Orders of the finite groups PSL_2(K) when K is a finite field with q = A246655(n) elements.at n=34A352806
- Expansion of e.g.f.: 1/(1 - x*(1+x)^x).at n=8A362238
- Orders of simple groups PSL(2,K) with exactly 4 prime divisors.at n=15A364004