11111114domain: NAppears in sequencesKeep only the first digit of each integer and concatenate them. The result is the concatenation of all integers of the sequence.at n=36A106000a(n) = (10^n + 26)/9.at n=8A173735Smallest number that, when displayed on a 7-segment display using A006942, leaves exactly n segments unused.at n=38A383739