128640
domain: N
Appears in sequences
- Icosagonal numbers divisible by 20.at n=24A117798
- Numbers n such that 6^n+5 is prime.at n=27A145106
- Number of permutations of 4..n+3 with no element divisible by an adjacent element.at n=8A178847
- Expansion of Product_{k>0} ((1 - q^(3*k))^4*(1 - q^(6*k))^2)/((1 - q^k)^4*(1 - q^(2*k))^2).at n=14A293629
- Numbers k such that k=(a+b)*c=a*b+c for more than one triple (a,b,c) with 1<c<a<=b.at n=8A329169