151800

Appears in sequences

• a(n) = n*(n + 1)*(n + 2)*(n + 3)/2.at n=22A033486
• a(n) = C(1+n,1) * C(2+n,1) * C(4+n,2).at n=21A112415
• Weight distribution of quadratic residue code of length 23 over GF(3).at n=14A112641
• Long leg B of primitive Pythagorean triangles such that perimeters are Averages of twin prime pairs, q=p+1, a=q^2-p^2, c=q^2+p^2, b=2*p*q, s=a+b+c, s-+1 are primes.at n=23A155174
• Number of reduced words of length n in Coxeter group on 12 generators S_i with relations (S_i)^2 = (S_i S_j)^3 = I.at n=5A162767
• Number of n X 5 0..2 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=14A201274