1340251

Appears in sequences

• a(n) = 6*4^n - 12*3^n + 7*2^n - 1.at n=9A091347
• Number of permutations of 1..n with i-8<=p(i)<=i+3.at n=11A179350
• E.g.f.: Sum_{n>=0} (1 - exp(-n^2*x))^n.at n=4A187755