124443
domain: N
Appears in sequences
- Exactly 6 digits from {1,2,3,4,5,6,7,8,9} can precede a(n) to form a prime.at n=7A032696
- Expansion of 1/(x^k*(1-x-2*x^(k+1))) for k=9.at n=47A143452
- Number of (curved) edges formed when n equally spaced points are placed around a circle and all pairs of points are joined by an interior arc whose radius equals the circle's radius.at n=32A371255