26660

Appears in sequences

• Multiplicity of highest weight (or singular) vectors associated with character chi_34 of Monster module.at n=44A034422
• Number of independent sets of nodes in P_4 X C_n (n > 2).at n=6A050401
• a(n) = Sum_{k=1..n} Sum_{j=1..k} (prime(k) - prime(j))^2.at n=12A062022
• a(n) = n*A007504(n)/2 = n*(sum of first n primes)/2.at n=31A156778
• Number of independent sets of nodes in graph C_6 x P_n (n>=0).at n=4A181961
• Floor(1/{(7+n^4)^(1/4)}), where {}=fractional part.at n=35A184631
• Number of 2 X 2 matrices having all terms in {1,...,n} and determinant >= n.at n=15A211061
• Number of (w,x,y) with all terms in {0,...,n} and w < range{w,x,y}.at n=39A212967
• Number of 3Xn 0..1 arrays with exactly floor(3Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..1 order.at n=9A222511
• Number of partitions p of n such that mean(p) <= multiplicity(min(p)).at n=42A240204
• Expansion of Product_{n>0} ((1-x^n)/(1+x^n))^n in powers of x.at n=44A285675
• Array read by antidiagonals: T(m,n) is the number of independent sets in the stacked prism graph C_m X P_n.at n=41A286513
• Numbers m > 0 that have a divisor d > 1 with binomial(m+d, d) == 1 mod m.at n=44A290040
• Number of permutations of [n] where each pair of adjacent elements is coprime and does not differ by a prime.at n=21A368958