194502

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 42.at n=20A031720
• Given n colors, sequence gives number of ways to color the vertices of a square such that no edge has the same color on both of its vertices.at n=21A091940
• a(n) = 441*n^2 + 21.at n=21A158603
• Expansion of a q-series used by Ramanujan in his Lost Notebook.at n=43A279715
• Numbers k such that (17*10^k + 31)/3 is prime.at n=29A280381