843480domain: NAppears in sequencesDenominator in Feinler's formula for unsigned Bernoulli number |B_{2n}|.at n=35A002444Pisot sequence E(8,55), a(n) = floor(a(n-1)^2/a(n-2) + 1/2).at n=6A010924Triangle of numbers obtained from the partition array A134279.at n=30A134280