26844

Appears in sequences

• High temperature series for spin-1/2 Ising specific heat on 3-dimensional f.c.c. lattice.at n=4A002918
• Number of optimal binary prefix-free codes with n words all ending in 1.at n=45A055167
• a(n+1) = a(n)/2 if 2|a(n), a(n)/3 if 3|a(n), a(n)/5 if 5|a(n), a(n)/7 if 7|a(n), a(n)/11 if 11|a(n), a(n)/13 if 13|a(n), otherwise 17*a(n)+1.at n=38A057534
• Number of length 2+2 0..n arrays with the sum of the maximum minus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero.at n=16A252178
• Number of twice-partitions of n into partitions of distinct lengths and distinct sums.at n=19A358832
• Array read by antidiagonals: T(m,n) is the number of minimal edge cuts in the rook graph K_m X K_n.at n=37A378935
• Array read by antidiagonals: T(m,n) is the number of minimal edge cuts in the rook graph K_m X K_n.at n=43A378935
• Number of minimal edge cuts in the 2 X n rook graph.at n=7A378937
• a(n) is the number of 5 element sets of distinct integer-sided trapezoids whose base angles are 60 degrees that fill an equilateral triangular grid of side n units, where one trapezoid has a larger base of n units.at n=28A391453