55238domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(349).at n=9A041661a(n) = Sum_{d|n} A007955(d) * A000027(d) = Sum_{d|n} A007955(d) * (d), where A007955(m) = product of divisors of m.at n=37A174933Maximum number of connections for a 2 X n rectangle.at n=18A379241