129859329601domain: NAppears in sequencesPrimes of form x^2+1 where x = LCM(1,2,...,k) for some k.at n=4A053609Table read by rows where i-th row consists of primes P of the form P=(j*P(i)#)^2 +1 with 0 < j < P(i+1). Here P(i)# = A002110(i).at n=15A087728