402653180

Appears in sequences

• Excess of n + product of digits over next prime associated with A091628.at n=26A091632
• Binomial transform of [1, 1, 5, 1, 5, 1, 5, ...].at n=27A131128
• a(n) = 2^n*(n^2 - n + 4)-4.at n=20A196508
• Expansion of x*(1 - x + 4*x^2) / ((1 - x)*(1 - 2*x)).at n=28A296954