%I A079548
%S A079548 0,0,1,0,0,1,0,2,1,2,0,0,0,0,1,0,4,2,4,1,4,0,0,4,0,2,2,1,0,6,0,8,2,6,1,
%T A079548 4,0,0,6,0,0,4,2,0,3,0,6,4,12,2,16,2,8,3,6,0,0,0,0,6,0,4,0,0,2,1,0,10,
               4,
%U A079548 12,4,24,2,16,6,12,1,8,0,0,10,0,6,8,0,0,12,4,2,4,1,0,12,0,20,0,18,4,24
%N A079548 Array T(m,n) = n*phi(m) - phi(mn) (m,n >= 1), read by antidiagonals.
%C A079548 It follows from the definition that n*phi(m) - phi(mn) >= 0.
%D A079548 D. S. Mitrinovic et al., Handbook of Number Theory, Kluwer, p. 9.
%Y A079548 Cf. A000010, A076953, A079549, A079550.
%Y A079548 Sequence in context: A089538 A152439 A070965 this_sequence A079071 A050602 
               A065040
%Y A079548 Adjacent sequences: A079545 A079546 A079547 this_sequence A079549 A079550 
               A079551
%K A079548 nonn,tabl
%O A079548 1,8
%A A079548 N. J. A. Sloane (njas(AT)research.att.com), Jan 24 2003