133458domain: NAppears in sequencesSuccessive differences of A000990.at n=35A147766Numbers k such that the five numbers k^2+1, (k+1)^2+1, ..., (k+4)^2+1 are all semiprime.at n=9A261546Expansion of (theta_3(x) - 1)^4 / (8 * (3 - theta_3(x))).at n=32A347807