In MathWorld article "Ring", I find [There are] 52 rings of size p^3 for p = 2, and 53 rings of size p^3 for p > 2 (Ballieu 1947, Gilmer and Mott 1973; Dresden). which conflicts with A027623(27) = A037234(27) = 59. - David W. Wilson "Truth is just truth -- You can't have opinions about the truth." - Peter Schickele, from P.D.Q. Bach's oratorio "The Seasonings"