1966081domain: NAppears in sequencesa(n) = T(7,n), array T given by A048472.at n=15A048479a(n) = T(0,n), array T given by A048505.at n=15A048506a(n) = 15*2^(n+1) + 1.at n=16A195744a(n) is the maximum number m such that A219365(m) is not divisible by n.at n=0A219434