%I A002049 M2633 N1044
%S A002049 1,3,7,12,20,30,44,59,75,96,118,143,169,197,230,264,299,335,373,413,
%T A002049 455,501,549,598,648,701,758,818,880,944,1009,1079,1156,1236,1317,1400
%N A002049 Prime numbers of measurement.
%D A002049 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A002049 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A002049 G. E. Andrews, MacMahon's prime numbers of measurement, Amer. Math. Monthly, 
               82 (1975), 922-923.
%D A002049 R. K. Guy, Unsolved Problems in Number Theory, E30.
%D A002049 P. A. MacMahon, The prime numbers of measurement on a scale, Proc. Camb. 
               Phil. Soc. 21 (1923), 651-654; reprinted in Coll. Papers I, pp. 797-800.
%D A002049 Problem E1910, Amer. Math. Monthly, 75 (1968), 80-81.
%Y A002049 Cf. A002048.
%Y A002049 a(n) = A004978(n+1)-1 = A048204(n-1)+1.
%Y A002049 Sequence in context: A036698 A132273 A130050 this_sequence A025582 A029452 
               A034434
%Y A002049 Adjacent sequences: A002046 A002047 A002048 this_sequence A002050 A002051 
               A002052
%K A002049 nonn,nice
%O A002049 1,2
%A A002049 N. J. A. Sloane (njas(AT)research.att.com).