475020
domain: N
Appears in sequences
- Figurate numbers or binomial coefficients C(n,6).at n=29A000579
- Binomial coefficient C(29,n).at n=6A010945
- Binomial coefficient C(29,n).at n=23A010945
- Binomial coefficient C(n,23).at n=6A010976
- T(n,6), array T as in A050186; a count of aperiodic binary words.at n=23A050191
- Binomial coefficients C(2*n-5,6).at n=11A053128
- Binomial coefficients formed from consecutive primes: a(n) = binomial( prime(n+1), prime(n) ).at n=8A058077
- Numbers k such that sopfr(k) = ud(k), where sopfr = A001414 and ud = A034444.at n=11A064029
- a(n) = A092914(n)/n = the least integer value of (n-1)!/(n*k!).at n=24A092916
- Triangle, read by rows, where T(n,k) = C(n*(n-1)/2-k*(k-1)/2+n-k+2, n-k).at n=29A107870
- Column 1 of triangle A107870; a(n) = C(n*(n+1)/2 + n+2, n).at n=6A107872
- Triangle, read by rows, where T(n,k) = C( n*(n+1)/2 + n-k + 2, n-k), for n>=k>=0.at n=21A121336
- a(n) = denominator of Sum_{k=1..n} k^mu(n+1-k), where mu(m) = A008683(m).at n=29A130492
- a(n) = binomial(5*n-1,n).at n=6A163455
- Triangle a(n,k) read by rows: product s(n,k)*s(n+1,k+1) of Stirling numbers of the first kind.at n=52A187558
- Numbers with prime factorization pqrst^2u^2.at n=17A190380
- Triangle: T(n,k)=C(4n+1,2k), 0<=k<=n.at n=31A193634
- a(n) = (n-3)*(n-2)*(n-1)*n*(n+1)/30.at n=28A210569
- Terms at square positions in Pascal's triangle when in flattened form.at n=21A268295
- a(n) is the denominator of Sum_{primes p < n} 1/(n-p).at n=30A305702