1,1

54 is a term as 54 = 31 + 23 = 37 + 17 = 41 + 13 = 43 + 11 = 47 + 7 are only the five ways to express 54 as a sum of two distinct primes.

Sequence in context: A165869 A121377 A067191 this_sequence A114821 A108098 A114505

Adjacent sequences: A080851 A080852 A080853 this_sequence A080855 A080856 A080857

nonn

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Mar 29 2003