-1269
domain: Z
Appears in sequences
- Sequence is {a(3,n)}, where a(m,n) is defined at sequence A110665.at n=50A110668
- Sequence is {a(3,n)}, where a(m,n) is defined at sequence A110665.at n=51A110668
- A triangle sequence from matrix polynomials of a three symbol type {0, 1, 2}: c(i,k)= Floor[Mod[i/2^k, 2]]; M(d)=Table[If[Sum[c(n, k)*c(m, k), {k, 0, d - 1}] == 0, 1, If[Sum[c(n, k)*c(m, k), {k, 0, d - 1}] == 1, 2, 0]], {n, 0, d - 1}, {m, 0, d - 1}].at n=47A158418
- Years in which a transit of Venus (as seen from Earth) took place or is expected to occur, according to the catalog by Fred Espenak.at n=12A171467
- Numerators of sum of rows of the inverse of the triangle of Euler polynomial coefficients P(0,x)=1, 2P(n,x)=(1+x)*[(1+x)^(n-1)+x^(n-1)].at n=12A230011
- a(n) = [x^n] 2/(3*sqrt(4*x^2 + 1) + 6*x - 1). Alternating row sums of A375025.at n=15A375026