108276

Appears in sequences

• Expansion of (1-x)^(-1)/(1-2*x-2*x^2-x^3).at n=11A077845
• Number of n X 5 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 0 1 and 1 0 1 vertically.at n=11A209647
• Number of primitive (period n) n-bead bracelet structures which are not periodic palindromes using a maximum of four different colored beads.at n=12A328658
• The number of six-term Egyptian fractions of rational numbers, x/y, 0 < x/y < 1, ordered as below. The sequence is the number of (p,q,r,s,t,u) such that x/y = 1/p + 1/q + 1/r + 1/s + 1/t + 1/u where p, q, r, s, t, and u are integers with p < q < r < s < t < u.at n=20A349086