342144
domain: N
Appears in sequences
- Integer areas of the integer-sided triangles T(n) defined by the property: a(0) = 6 ; for n > 0, a(n) is the area A where the smallest side of T(n) is the greatest side of T(n-1).at n=19A229926
- Expansion of e.g.f. arcsinh(arcsin(x)) (odd powers only).at n=5A296466
- Numbers with a record number of distinct values of the Euler totient function applied to their divisors (A319696).at n=37A328858
- Triangle read by rows, T(n, k) = [x^k] -hypergeom([-1/2, -n, -n], [1, 1], 4*x).at n=52A367024
- a(n) is the denominator of the imaginary part of Product_{k=1..n} (1/k + i) where i is the imaginary unit.at n=12A370550
- a(n) is the denominator of the real part of Product_{k=1..n} (1 + i/k) where i is the imaginary unit.at n=12A370552