1789515

Appears in sequences

• Number of necklaces with 12 black beads and n-12 white beads.at n=17A032197
• T(2n+5,n), array T as in A051168; a count of Lyndon words.at n=12A050183
• Both sum of n+1 consecutive squares and sum of the immediately following n consecutive squares.at n=13A059255
• Denominator of 2*Sum(C(n,w)/(2*w+1),w=0..n/2-1)+C(n,n/2)/(n+1) if n is even, or of 2*Sum(C(n,w)/(2*w+1),w=0..(n-1)/2) if n is odd.at n=34A085569