60332

Appears in sequences

• Number of primitive (aperiodic) step shifted (decimated) sequence structures using a maximum of six different symbols.at n=10A056405
• Numbers k for which 6k+1, 24k+5, 432k^2+72k-1, and 432k^2+90k-1 are all prime.at n=49A175513
• E.g.f. A(x) satisfies A(x) = (1 - log(1 - x) * A(3*x)) / (1 - x).at n=4A367829