41618

Appears in sequences

• Numbers whose square is palindromic in base 12.at n=38A029737
• Expansion of (1-x)/(1 - 3*x - 2*x^2 + 2*x^3).at n=9A052543
• Number of permutations of 3 copies of 1..n with all adjacent differences <= 1 in absolute value.at n=7A177291
• Number of permutations of n copies of 1..7 with all adjacent differences <= 1 in absolute value.at n=3A177319
• Number of nX3 arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without 2-loops or left turns.at n=4A221825
• T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without 2-loops or left turns.at n=25A221828
• Number of 5 X n arrays of occupancy after each element moves to some horizontal, vertical or antidiagonal neighbor, without 2-loops or left turns.at n=2A221832
• Number of hands of n points in Spanish dominoes.at n=20A258064
• Number of hands of n points in Spanish dominoes.at n=34A258064
• Numbers of the form k^2 + 2 that are the sums of two squares.at n=19A329170
• Number A(n,k) of sequences with k copies each of 1,2,...,n avoiding absolute differences between adjacent elements larger than one; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=62A331562