20933

Appears in sequences

• Coefficients arising in the enumeration of configurations of linear chains.at n=12A038746
• Denominators of continued fraction convergents to sqrt(446).at n=10A041849
• Denominators of continued fraction convergents to sqrt(865).at n=10A042671
• Base-8 palindromes that start with 5.at n=25A043025
• Numbers k such that k^12 == 1 (mod 13^4).at n=6A056095
• Number of nondecreasing arrangements of 4 nonzero numbers in -(n+2)..(n+2) with sum zero.at n=42A188334
• Number of nX5 arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out straight through or left turns.at n=1A221928
• T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out straight through or left turns.at n=16A221929
• Number of 2Xn arrays of occupancy after each element stays put or moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out straight through or left turns.at n=4A221930
• Palindromic numbers in bases 2 and 8 written in base 10.at n=44A259380
• Number of conjugacy classes of subgroups of the group GL(2, Z_n) of invertible 2 X 2 matrices mod n.at n=19A364921