134564468610
domain: N
Appears in sequences
- Coefficients of Legendre polynomials.at n=20A002461
- Squarefree part of C(2n,n), the central binomial numbers: the smallest number such that a(n)*C(2n,n) is a square.at n=21A069113
- Largest squarefree number dividing central binomial coefficient A000984(n).at n=21A080397
- a(n) is the smallest integer of the form a*b*c.../p*q*r..., where the numerator and the denominator contain n numbers each and a,b,c,...p,q,r... are all the integers from 1 to 2n.at n=20A085057
- One half of a trisection of A001700: binomial(6n+5,3(n+1))/2, n >= 0.at n=6A187366
- A trisection of A001405 (central binomial coefficients): binomial(3n+2,floor((3n+2)/2))/2, n >= 0.at n=13A187444
- Matching number of the n-odd graph.at n=20A301560
- Denominators of the sequence of rational numbers Rn+ related to Bernoulli numbers.at n=20A308402
- Denominator of expected payoff in the "Guessing Card Colors" game with a 2n-card deck, using an optimal strategy.at n=20A322756