252252
domain: N
Appears in sequences
- Multinomial coefficient n!/([n/3]![(n+1)/3]![(n+2)/3]!).at n=14A022916
- a(n) = 28*(n+1)*binomial(n+6,8)/3.at n=6A027820
- a(n) = 77*(n+1)*binomial(n+6,11).at n=3A027823
- Palindromes with exactly 8 prime factors (counted with multiplicity).at n=6A046334
- Coefficient triangle of certain polynomials N(5; m,x).at n=50A062190
- Coefficient triangle of certain polynomials N(5; m,x).at n=51A062190
- T(n,k) = binomial(n,k)*binomial(n+k,k), 0 <= k <= n, triangle read by rows.at n=50A063007
- T(n,k) = binomial(n,2*k)*binomial(2*k,k) for 0 <= k <= n, triangle read by rows.at n=110A089627
- Triangle read by rows: coefficients of characteristic polynomials of lower triangular matrix of Robbins triangle numbers.at n=27A102610
- Numbers n such that n and pi(n) (A000720) are palindromic.at n=36A103357
- a(n) = binomial(n+3,n)*binomial(n+8,n).at n=6A104671
- a(n) = binomial(n+4,n)*binomial(n+9,n).at n=5A104672
- a(n) = C(n+5,5)*C(n+10,5).at n=4A104679
- Triangle read by rows: T(n,k) is the number of lattice paths from (0,0) to (n,n) using steps E=(1,0), N=(0,1) and D=(1,1) (i.e., bilateral Schroeder paths), having k D=(1,1) steps.at n=49A104684
- a(n) = binomial(2n+4,n)*binomial(n+4,4).at n=5A106440
- a(n) = C(2*n+1,n)*C(2*n+6,n+1).at n=4A113888
- a(n) = binomial(3+2*n, n) * binomial(8+2*n, 3+n).at n=3A114059
- Palindromes whose squares belong to A066531.at n=9A117281
- Dimensions of the irreducible representations of the simple Lie algebra of type E6 over the complex numbers, listed in increasing order.at n=28A121737
- Triangle read by rows: T(n,k) = n!*(n+k-1)!/((n-k)!*(n-1)!*(k!)^2) for 0 <= k <= n, with T(0,0) = 1.at n=51A123160