Lexically first 10-mark Golomb ruler.A031873Lexically first 10-mark Golomb ruler.Terms a(0) =1a(1) =2a(2) =7a(3) =11a(4) =24a(5) =27a(6) =35a(7) =42a(8) =54a(9) =56External referencesoeis: A031873