44220

Appears in sequences

• Number of ternary irreducible monic polynomials of degree n; dimensions of free Lie algebras.at n=12A027376
• Maximal length of rook tour on an n X n+1 board.at n=39A152132
• Maximal length of rook tour on an n X n+3 board.at n=38A152134
• Dimensions of primitive Lie algebras connected with the Mantaci-Reutenauer algebra MR^(2).at n=11A185171
• Principal diagonal of the convolution array A213553.at n=7A213554
• Numbers n = x0 x1 x2...x9 such that xi is the number of digits greater than i in n.at n=37A226195
• Number of words of length n over the alphabet {0,...,n-1} that avoid the pattern 1111.at n=6A239368
• Least number k such that k^n + n and k^n - n are both prime, or 0 if no such number exists.at n=36A239475
• Triangle read by rows: T(m,n) = number of ways of distributing n distinguishable balls into m distinguishable bins of size 3 where empty bins are permitted (m >= 1, 1 <= n <= 3m).at n=50A248845
• Number of prime 3-ary toroidal arrays with 2 rows and n columns.at n=5A291076
• Number of prime 3-ary toroidal arrays with 3 rows and n columns.at n=3A291077
• Square array whose entry A(n,k) is the number of endofunctions on a set of size n with preimage constraint {0,1,...,k}, for n >= 0, k >= 0, read by descending antidiagonals.at n=51A306800
• a(n) is the number of squares at distance n from the central square of a golden square fractal.at n=12A339124
• Numbers k such that psi(k^2) = k, psi = A002322; indices of 1 in A341857.at n=38A341858
• a(n) = Sum_{k=0..floor(n/2)} binomial(k+3,3) * binomial(2*k,2*n-4*k).at n=14A382495