72723domain: NAppears in sequencesColumn m=5 sequence of triangle A103718(n,m), n>=0, without leading zeros.at n=4A103722Number of base 27 n-digit numbers with adjacent digits differing by two or less.at n=6A126414Numbers k such that (10^k - 79)/3 is prime.at n=19A293853Numbers k such that 3*10^k + 67 is prime.at n=23A295328