4254250

Appears in sequences

• Numbers k such that 1*k + 1, 3*k + 1, 9*k + 1, 27*k + 1, 81*k + 1, 243*k + 1 are all primes.at n=6A112043
• Number of ordered set partitions of [n] into ten blocks such that equal-sized blocks are ordered with increasing least elements.at n=3A285925
• Number of different ways to partition the set of vertices of a convex (n+11)-gon into 4 nonintersecting polygons.at n=24A350286