795455domain: NAppears in sequencesCrystal ball sequence for 7-dimensional cubic lattice.at n=11A001849Expansion of (1 + x)^11 / (1 - x)^12.at n=7A240876a(n) = Sum_{k=0..n} 2^k * binomial(n,k) * binomial(n+4,k).at n=7A386882