31943

Appears in sequences

• a(0) = 1, a(n) = 21*n^2 + 2 for n>0.at n=39A010011
• Numbers k that divide the (left) concatenation of all numbers <= k written in base 8 (most significant digit on left).at n=15A029477
• Denominators of convergents to Euler-Mascheroni constant.at n=11A046115
• Values of n for which there are no empty intervals when frac(m*gamma) for m = 1, ..., n is plotted along [0, 1] subdivided into n equal regions.at n=17A046158
• a(n) = 66*n^2 - 1.at n=21A158693
• a(n) = 3*n^3 - 1.at n=22A345701
• Number of connected components of n faces of the truncated cuboctahedron up to the 48 rotations and reflections of the truncated cuboctahedron.at n=18A384071