62601

Appears in sequences

• Number of restricted solid partitions of n.at n=22A002974
• Expansion of 1/((1-4x)(1-5x)(1-6x)(1-10x)).at n=4A028112
• a(n) = ceiling( 1/2 + (Sum_{i=0..n-1}C(n,i)*C(n,i+1))/2^(n+1) ).at n=18A099779
• Rectified heptapeton (6-simplex) numbers: the coefficient of x^(2n-2) in (1+x+x^2+...+x^(n-1))^7.at n=9A179097
• a(n) = A255456(2^n-1).at n=8A255457
• Number T(n,k) of permutations of [n] with k ordered cycles such that equal-sized cycles are ordered with increasing least elements; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=40A285849
• Number of permutations of [n] with four ordered cycles such that equal-sized cycles are ordered with increasing least elements.at n=4A285855
• Number of permutations of [2n] with n ordered cycles such that equal-sized cycles are ordered with increasing least elements.at n=4A285862
• Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 3 + 2*x, p(n,x) = u*p(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - 2*x - x^2.at n=38A367300