-347
domain: Z
Appears in sequences
- Numerators of the determinant of matrix (M(n) - H(n)), where H(n) is the n-th Hilbert matrix and M(n) is an n X n matrix with i,j-th entry i+j-1.at n=6A061913
- Inverted decimal expansion of Pi.at n=29A066795
- Expansion of (1-x)/(1-2*x+x^2+2*x^3).at n=13A078002
- Expansion of (1-x)/(1-x^2+2*x^3).at n=15A078028
- a(n) = Sum_{k=0..n} A105595(k)*(-1)^k*A105595(n-k) (interpolated zeros suppressed).at n=28A105596
- Sequence is {a(3,n)}, where a(m,n) is defined at sequence A110665.at n=25A110668
- a(n) = -n^2 + 9*n + 53.at n=25A126665
- Array read by antidiagonals: T(n,k) = T(n-1,k) + T(n,k+1) - T(n,k+2).at n=74A138197
- Expansion of psi(-q) / f(q^3) where psi(), f() are Ramanujan theta functions.at n=49A139136
- A236269(n) - A236313(n).at n=63A236774
- a(n) = -a(n-1) + a(n-3) + 5*(n-2) for n>2, a(0)=2, a(1)=3, a(2)=4.at n=51A242762
- a(0)=0, a(1)=1, a(n) = -a(n-2)^2 - a(n-1)^3.at n=8A262088
- Expansion of Product_{k>=1} (1-x^(3*k))/(1-x^(2*k)).at n=41A262346
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 221", based on the 5-celled von Neumann neighborhood.at n=9A270937
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 275", based on the 5-celled von Neumann neighborhood.at n=9A271094
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 421", based on the 5-celled von Neumann neighborhood.at n=11A272052
- First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 459", based on the 5-celled von Neumann neighborhood.at n=15A272290
- Expansion of (1-q)^k/Product_{j=1..k} (1-q^j) for k=7.at n=55A275641
- G.f.: Product_{m>0} (1 - x^m + 2!*x^(2*m) - 3!*x^(3*m) + 4!*x^(4*m)).at n=15A293256
- a(n) = A134028(A323782(n)): Primes and negated primes such that the reverse of the balanced ternary representation is a prime.at n=34A323783