%I
%S 2,1,4,1,6,12,2,10,19,0,11,23,36,7,22,38,55,12,31,51,72,15,38,62,87,
%T 12,39,67,96,13,44,76,109,4,39,75,112,150,22,62,103,145,188,39,84,130,
%U 177,2,51,101,152,204,16,70,125,181,238,25,84,144,205,267,23,87,152,218,285
%N a(1) = 2; for n > 1, a(n) = (a(n1) + n) mod prime(n).
%t a[1] = 2; a[n_] := a[n] = Mod[a[n  1] + n, Prime[n]]; Table[ a[n], {n, 67}]
%Y Cf. A088521, A088523, A006257.
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_, Nov 14 2003
%E More terms from _Robert G. Wilson v_ and _Ray Chandler_, Nov 15 2003
