A378029 Record values in A377059.

0, 2, 6, 8, 10, 20, 22, 42, 54, 58, 110, 156, 162, 166, 168, 294, 342, 506, 812, 930, 1210, 1332, 1458, 2028, 2162, 2756, 3422, 3660, 4422, 4970, 6162, 6498, 6806, 7832, 10100, 11342, 11638, 13310, 16002, 17030, 19182, 22052, 23548, 26406, 27722, 28830, 29756, 31862, 32580, 38612, 39402, 44310, 49506

Offset: 1

Author

Robert Israel, Nov 14 2024

Keywords

• nonn

Comments

Numbers k such that for some j, A377059(j) = k and A377059(i) < k for all i < j.

Examples

			a(3) = 6 because A377059(9) = 6 and A377059(k) < 6 for all k < 9.
		

Crossrefs

Cf. A377059, A378028.

Programs

Maple

f:= proc(n) local x, r;
  for x from 2 to n do
    if igcd(x, n) <> 1 then next fi;
    r:= numtheory:-order(x, n);
    if r::even and r < n-1 then return r fi
  od;
  0
end proc:
R:= 1: m:= 0: count:= 0:
for k from 2 while count < 100 do
v:= f(k);
if v > m then m:= v; R:= R, v; count:= count+1 fi;
od:
R;

Formula

a(n) = A377059(A378028(n)).