181880

Appears in sequences

• Numerators of continued fraction convergents to sqrt(790).at n=9A042522
• Numbers k such that k and k^2 use only the digits 0, 1, 3, 4 and 8.at n=24A136840
• Number of ways to arrange 3 indistinguishable points on an n X n X n triangular grid so that no three points are collinear at any angle.at n=14A194131
• G.f.: Product_{m>0} (1 + x^m + 2!*x^(2*m) + 3!*x^(3*m)).at n=39A289485
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n), where a(0) = 3, a(1) = 4, b(0) = 1, b(1) = 2, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=21A295948