70246domain: NAppears in sequencesa(n) = (1/24)*(n+1)*(n+3)*(n^2+22*n+88).at n=31A090950Structured disdyakis dodecahedral numbers (vertex structure 7).at n=21A100162(prime(n))^3-(nonprime(n))^3 .at n=13A163121a(n) = floor(1/{(10+n^4)^(1/4)}), where {}=fractional part.at n=55A184634a(n) = Sum_{d|n} d^2 * (d+1)/2.at n=50A278403