73686780563domain: NAppears in sequencesa(1) = 1, a(n) = 12*a(n-1) + n.at n=10A014882Largest metadrome (number with digits in strict ascending order) in base n.at n=11A023811Take the first n numbers written in base 12, concatenate them, then convert from base 12 to base 10.at n=10A048443