-412

Appears in sequences

• a(n) = 10^n - n^9.at n=2A024123
• McKay-Thompson series of class 12G for Monster.at n=22A058485
• a(n) = (n-1)*(n+3) - 2^n + 4.at n=9A071099
• Matrix inverse of triangle A107862.at n=41A107865
• a(n) = prime(n)*(prime(n + 1) + 1) - (n^3 + sum of digits of n^3).at n=12A123139
• Expansion of q^(-1/8)* eta(q)^5* eta(q^2)^3/ eta(q^4)^2 in powers of q.at n=52A128712
• a(n)= +2*a(n-2) +4*a(n-3), n>3.at n=7A173559
• Triangle read by rows: coefficients of generating functions U_{1324,n}(y).at n=49A230858
• Expansion of Product_{k>=1} (1 + x^(8*k))/(1 + x^k).at n=57A261735
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 139", based on the 5-celled von Neumann neighborhood.at n=13A270281
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 262", based on the 5-celled von Neumann neighborhood.at n=27A271068
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 286", based on the 5-celled von Neumann neighborhood.at n=36A271124
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 294", based on the 5-celled von Neumann neighborhood.at n=31A271135
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 537", based on the 5-celled von Neumann neighborhood.at n=45A272793
• G.f.: Re((i; x)_inf), where (a; q)_inf is the q-Pochhammer symbol, i = sqrt(-1).at n=45A278399
• Expansion of r(q)^2 / r(q^2) in powers of q where r() is the Rogers-Ramanujan continued fraction.at n=28A285349
• G.f.: Product_{m>0} (1-x^m+2!*x^(2*m)).at n=43A293072
• a(0) = 0, a(n) = -5*a(n/3) if n is divisible by 3, otherwise a(n) = n + a(n-1).at n=58A318488
• Inverse Euler transform of the Euler totient function phi = A000010.at n=20A320778
• Expansion of 1 / (1 + Sum_{i>=1} Sum_{j=1..i} x^(i*j)).at n=38A327799