117256

Appears in sequences

• (2*n)!-Sum ((-1)^(i+1)*binomial(n,i)*2^i*(2*i-1)!,i=1..n).at n=4A006563
• Greedy frac multiples of gamma: a(1)=1, Sum_{n>0} frac(a(n)*x) = 1 at x=gamma, where "frac(y)" denotes the fractional part of y.at n=18A080157
• Number of length n+4 0..7 arrays with some disjoint pairs in every consecutive five terms having the same sum.at n=1A247926
• T(n,k)=Number of length n+4 0..k arrays with some disjoint pairs in every consecutive five terms having the same sum.at n=29A247927
• Number of length 2+4 0..n arrays with some disjoint pairs in every consecutive five terms having the same sum.at n=6A247929
• Least number x such that x^n has n digits equal to k. Case k = 3.at n=35A285450