1,1

T. D. Noe, Table of n, a(n) for n=1..300

13 is a term because it is a prime such that 13-1=12 is a highly composite number.

Sequence in context: A048399 A050779 A052291 this_sequence A084761 A038965 A055694

Adjacent sequences: A072823 A072824 A072825 this_sequence A072827 A072828 A072829

nonn

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Jul 21 2002