22309287
domain: N
Appears in sequences
- Coefficients of Legendre polynomials.at n=10A001801
- Denominator of n!!/(n+3)!!.at n=20A004733
- Squarefree part of lcm(1,...,n).at n=27A056839
- Squarefree part of lcm(1,...,n).at n=28A056839
- Primitive abundant numbers that set a new record for number of divisors.at n=15A083873
- Coefficient of x^2 in 2n-th normalized Legendre polynomial.at n=10A100259
- Denominator of 1 - Sum_{i=1..n} Bernoulli(i).at n=22A100650
- Denominator of 1 - Sum_{i=1..n} Bernoulli(i).at n=23A100650
- Smallest number that has exactly n distinct prime factors and ends with the digits of n.at n=6A109665
- a(n) = A111877(n+1)/5.at n=9A111878
- Odd and squarefree abundant numbers not divisible by 5.at n=0A112644
- Denominators of partial sums of (p+q)/p*q, where p and q are primes.at n=15A120832
- Denominators of partial sums of (p+q)/p*q, where p and q are primes.at n=16A120832
- Denominators of partial sums of (p+q)/p*q, where p and q are primes.at n=17A120832
- Denominator of the polynomial A_l(x) = Sum_{d=1..l-1} x^(l-d)/d for index l=2n+1 evaluated at x=10.at n=12A145629
- Denominator of the fraction c(n) defined in A172030.at n=24A172031
- Smallest odd primitive abundant number (A006038) having n distinct prime factors.at n=4A188342
- Denominators of a companion to the Bernoulli numbers.at n=23A192366
- Denominators of r(n) = r(n-1) + r(n-2) + B_(n-2), where B_n is the n-th Bernoulli number A027641(n)/A027642(n).at n=24A228151
- a(n) = product of distinct terms of row n in triangle A255313.at n=12A255427