1929501

Appears in sequences

• Binomial coefficient C(6n,n-10).at n=4A004365
• Binomial coefficient C(7n,n-8).at n=4A004376
• Binomial coefficients C(n,80).at n=4A017744
• Binomial coefficients C(84,n).at n=4A017800
• Number of n X n {-1,0,1} matrices modulo rows permutation (by symmetry this is the same as the number of {-1,0,1} matrices modulo columns permutation), i.e., the number of equivalence classes where two matrices A and B are equivalent if one of them is the result of permuting the rows of the other.at n=3A060336
• a(n) = binomial(4*n,4).at n=20A060541
• a(n) = A001512(n)/24 = (5*n+1)*(5*n+2)*(5*n+3)*(5*n+4)/24.at n=16A151989
• Least m > 0 such that gcd(m^n+14, (m+1)^n+14) > 1, or 0 if there is no such m.at n=9A255864
• Number of inequivalent 4 X 4 matrices with entries in {1,2,3,..,n} up to row permutations.at n=3A283026
• Number of 5-member subsets of [5*n] whose elements sum to a multiple of n.at n=17A318626