150994943

Appears in sequences

• Expansion of (1+x^2-x^3)/((1-x)*(1-2*x)).at n=26A052996
• a(1) = 2, a(n+1) = smallest squarefree number == 1 (mod a(n)) and > a(n).at n=27A076698
• a(n) = 9*4^n - 1.at n=12A114569
• a(n) = 9*8^n - 1.at n=8A198856
• Goodstein sequence starting with 15.at n=6A222117
• G_6(n), where G is the Goodstein function defined in A266201.at n=12A271977