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b = 1, n = 1
b = 8, n = 6
b = 49, n = 35
b = 288, n = 204
b = 1681, n = 1189
b = 9800, n = 6930
b = 57121, n = 40391
b = 332928, n = 235416
b = 1940449, n = 1372105
b = 11309768, n = 7997214
b = 65918161, n = 46611179
b = 384199200, n = 271669860
b = 2239277041, n = 1583407981
b = 13051463048, n = 9228778026
b = 76069501249, n = 53789260175
b = 443365544448, n = 313506783024
b = 2584123765441, n = 1827251437969
b = 15061377048200, n = 10650001844790
b = 87784138523761, n = 62072759630771
b = 511643454094368, n = 361786555939836
b = 2982076586042449, n = 2108646576008245
b = 17380816062160328, n = 12290092900109634
b = 101302819786919521, n = 71631910824649559
b = 590436102659356800, n = 417501372047787720
using System;
namespace CSharpTest
{
class Program
{
public static void Main()
{
int d = 8, length = 24;
long[,] an = new long[length, 2];
an[0, 0] = 3;
an[0, 1] = 1;
for (int i = 1; i < length; i++)
{
an[i, 0] = an[0, 0] * an[i - 1, 0] + d * an[i - 1, 1] * an[0, 1];
an[i, 1] = an[0, 0] * an[i - 1, 1] + an[i - 1, 0] * an[0, 1];
Console.WriteLine("b = {0}, n = {1}", (an[i, 0] - 1) >> 1, an[i, 1]);
}
}
}
}