123353domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(555).at n=13A042063Number of (n+7)X11 0..1 matrices with each 8X8 subblock idempotent.at n=8A224593Semiprimes whose prime factors are of equal binary length and which differ from each other in one bit position only.at n=42A261073