-2727

Appears in sequences

• a(n) = 9^n-8^n-7^n-6^n-5^n-4^n-3^n-2^n-1.at n=5A147996
• Numerator of Hermite(n, 9/16).at n=3A159525
• a(0)=a(1)=1, a(n) = 2*a(n-1)- A010686(n), n>1.at n=12A173114
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 405", based on the 5-celled von Neumann neighborhood.at n=27A271815
• Expansion of Product_{k>0} ((1-x^{5k-2}) * (1-x^{5k-3})/((1-x^{5k-1}) * (1-x^{5k-4})))^4 in powers of x.at n=24A285444