diff --git a/cpp/switchchain_exponent.cpp b/cpp/switchchain_exponent.cpp
index 6fb4008b77b8cb97317f0865816607dd477221df..6b6c0d0121713cf1cbe0240ccf36b452f66b9cb8 100644
--- a/cpp/switchchain_exponent.cpp
+++ b/cpp/switchchain_exponent.cpp
@@ -82,7 +82,7 @@ int main() {
     outfile << '{';
     bool outputComma = false;
 
-    for (int numVertices = 200; numVertices <= 2000; numVertices += 200) {
+    for (int numVertices = 2200; numVertices <= 4000; numVertices += 200) {
         for (float tau : tauValues) {
 
             DegreeSequence ds(numVertices);
@@ -92,7 +92,7 @@ int main() {
             // For a single n,tau take samples over several instances of
             // the degree distribution.
             // 500 samples seems to give reasonable results
-            for (int degreeSample = 0; degreeSample < 1000; ++degreeSample) {
+            for (int degreeSample = 0; degreeSample < 2000; ++degreeSample) {
                 // Generate a graph
                 // might require multiple tries
                 for (int i = 1; ; ++i) {
@@ -125,7 +125,7 @@ int main() {
                 std::cout << "Running n = " << numVertices << ", tau = " << tau
                           << ". \t" << std::flush;
 
-                int mixingTime = 8*(32.0f - 26.0f*(tau - 2.0f)) * numVertices; //40000;
+                int mixingTime = 32*(32.0f - 26.0f*(tau - 2.0f)) * numVertices; //40000;
                 constexpr int measurements = 50;
                 constexpr int measureSkip =
                     200; // Take a sample every ... steps